Rarely (very rarely!) Rome. CONCORD – MILIT Concordia standing to l. holding aquila and standard. On the reverse we can see another crack along the upper left edge which has opened wider: The important feature of this crack is that we can see that it has a sharp edge that juts out slightly. The Coin Shop (428) There are also two smaller cracks to the left of the reverse and a larger one to the right, that do not penetrate all the way through, but appear to be related to defects from flan casting that have opened slightly during flan expansion (especially the one on the left). There are many technical problems with hammer striking, and it is not as easy as one would think. Sometimes small distortions are introduced, and often on genuine coins some features are off the flan edge or weakly struck and so are not present to be transfered. image from the CNG website (www.cngcoins.com) It is my opinion that this coin is a die-struck modern fake of a Katane tetradrachm illustrating the highest quality of forgery one is likely to encounter. I have not physically examined this coin, but based on what is visible on the image, it appears that if one were to run one's fingers over the edge, that crack would feel like a slight sharp projection. Dating Roman Provincial Coins. Gold bullion coins gained a bad reputation in the Egyptian market during the recent period because some workshops produced fake coins because of its low handy charges fees. a Vespasian and sons denarius, and numerous others [including a high-grade Marc Anthony COHORT galley, Trajan quinarius, etc.] Since the obverse of that specimen shows nearly no wear, that lack of detail on the reverse cannot be due to wear. Having looked at as many images of this type as I could locate, they have two features in common to all but those from the retouched dies. AR Denarius, 3.27g (17mm, 12h). On the lower image, the feather details are coarser in a way that cannot be explained by die shift. AR Dekadrachm (34.5mm, 43.08 g, 2h). Carthage mint. The obverse die is fixed, and generally the coin will lock into it during striking, but the reverse die is not fixed and can bounce slightly during hammer striking and may come down in a slightly different position between the strikes. Many forgers have not solved this technical problem so they resort to using modern presses to apply pressure more as a slower, but even squeeze, but even then, they often have to press the coins at very high temperatures (known as forging temperatures) to achieve a good strike. When presented with this body of evidence, the conclusion I find I must come to is this coin was struck from a false hubbed a retouched die and is thus a modern fake. Looking at the coin under question, the designs are of roughly of equal strength across the entire design, including on the inscription near the edge. The following counterfeits are supposedly Athenian tetradrachms, which are ancient greek silver coins. When all is said and done, you’re buying the coin, not the plastic, and you should never pay more than the coin itself is worth. 88. is the Phraataces/Musa undertype clearly visible on Vonones I tets. All the examples I have found exhibit two patterns of weakness in the strike: on the obverse the laurel leaves on Apollo's forehead are slightly flat at the highest point, that on the nicest examples, seems to be related more to the die pressure not being able to fill those details on the die than to wear. Sasanian coinage had a significant influence on coinage of other polities. By. The other possibility, which I believe to the case, is that a genuine coin struck from these dies was used by a modern forger as a model from which to create new dies that nearly perfectly matched the original dies, and this coins is a modern fake from those modern dies. Here is an image of a coin of this type which has formed flan cracks, in what is a normal ancient flan crack pattern consistent with a hammer strike : It has one significant flan crack and one less significant one, both of which penetrate both into the coin and through the coin. This is a typical pattern associated with the strike occurring on a press rather than via a sharp hammer blow. Coinsbit is a new trading platform that provides businesses and individual traders with Low commissions, Multi-Support, Strong Security, and Open API ... Counterfeit Detection: 1903-O Morgan Dollar 12/27/2020 - The date and mintmark on this coin give it away as a fake. The best specimen available for this purpose is one known as the Berlin specimen, which was de-accessioned from the Berlin Königliche Münzenkabinett as a duplicate and sold by A. Heiss on their behalf in 1902. Clearly, the ancient minters could not achieve enough detail to fill all the details on this very deeply cut die. For this, we must compare it to an actual coin from the same set of dies, for which there is no reasonable doubt of its authenticity. I have provided two 50% transparent overlay images of the Berlin specimen over the coin in question to take this distortion into account. It is nearly impossible to do that touch-up work perfectly, and it is the mistakes that the forger makes or fails to correct that usually gives him away. LOT OF 2 ANCIENT VF ROMAN CONSTANTINE I COINS EX GEMINI CNG AUCTIONS. The question then must be asked, which of the genuine coins was the host coin from which the false die was hubbed? While the opinions about this coin on this page are entirely my own, I do appreciate the help provided to me by Jorg Lueke who aided in finding suitable examples and images of various specimens which helped in my observations, and whose comments and questions assisted me in determining what details needed to be discussed. Normally this would be enough to confirm the authenticity, but only if the die link holds up to scrutiny, which in my opinion it does not. I have circled in red where they are visibly doing so. The line of dots on her wing extends down to her shoulder, with each successive dot becoming larger. 5.98 g. The birth of coinage in wider Greece, though, was not really an invention of convenience but a necessity, driven by the need to pay mercenary soldiers. If you look at the legends on the Kunker coin they have spread a bit which is constitent with any striking in medieval coinage . 11241. Modern forgers, wanting their product to stand up to a metallurgical analysis, have been known to use worn examples of genuine coins as their planchets, so that the alloy will be correct. The style of this coin is nearly perfect and it seems to be die linked to other known genuine examples. This is clear evidence the coin in question was struck from a die in which a modern forger "improved" details on his hubbed die, without understanding the true nature of what he was improving. Most Sicilian tetradrachms do not show any significant flan cracks, and it appears that the expansion out to about 26 mm usually does not create enough stress to crack the flan. This crack pattern is the result of a stress occurring suddenly under hammer impact on the metal at normal room temperature. The forger must then touch-up his new die by hand cutting missing details. Eukratides I Megas. These pupils are one of the smallest features of the coin, and not easily transferred while hubbing a false die, which is the most likely explanation and the forger missed doing that touch-up. NGC-certified Coins from Around the World Featured in Japan Sale ... Online bidding is now underway for the CNG sale. Especially compare the lettering and the head: CNG 63, 1005: Pescennius Niger AE24 of Caesarea Germanica, Bithynia. IMP CAES M DID – IVLIAN AVG Head, laureate, to r. Rev. One can easily see that the form of the mouth is not distorted when both well struck and not very worn: The coin under discussion is on the right of the three-face image above. Hemidrachms from Thracian Cherronesos. People who buy fake coins will either give positive feedback or ask for their money back. Struck circa 405-390 BC. Contact is initially the center of the flan against the center of the die. 193 AD. The first is that on the obverse they are strongest in the center and weaken towards the edges, which is most noticeable on the inscription on the right edge. LOT OF 2 ANCIENT BYZANTINE FOLLIS COINS BOTH EX CNG AUCTION LARGER IS 225 MM. This happens because these coins are struck on rounded planchets which must expand between the dies as the coin is struck. Only 12 left in stock - order soon. At this point the only genuine specimen I can locate that is well enough struck and centered to have been used, is the British Museum specimen mentioned above. Together with the Roman Empire, the Sasanian Empire was the most important money-issuing polity in Late Antiquity. This proves that both coins appear to be struck from the same obverse die. Most Recently Added (0) There is no possibility the forgers had direct access to that coin, Nor is there any possibility anyone in the British Museum was directly involved in this type of forgery. Many coins show some die shift that demonstrates that more than one hammer blow is normally applied. It does not exhibit a distorted mouth, but rather shows us exactly what it looked like as the ancient die cutter intended. Welcome to my non-commercial site for ancient coins. 5.98 g. Struck circa 405-390 BC. The coin under question is very unusual for this period of coinage in that the planchet is a full 4 to 5 mm wider than usual --having expanded to 30 mm diameter. Sasanian coinage was produced within the domains of the Iranian Sasanian Empire (224–651). Since they themselves didn't know enough to not buy a fake coin, they can easily believe it. The specimens shown in this collection were made for various reasons. A New York City Collection of Greek Coinage & An Idaho Collection of Greek Coinage. They became known as the British Museum Forgeries (and please note the British Museum was in no way involved in the forgery). These differences appear to be consistent with a combination of distortions in the die hubbing process and with a forger doing touch up work to an imperfectly hubbed false die. Do not include the sellers' name or a link. Dionysios I. But hubbing does not capture every tiny detail accurately. Join Telegram Channel and get instant Loot alerts participants Coinsbit CNG Airdrop Refer EarnContents Of This Post1 Coinsbit CNG Airdrop Refer Earn1.0.1 Sign Up On Coinsbit CNG Airdrop Get 30,000 CNG Coins Free1.0.2 Documents Needed For Coinsbit CNG Airdrop :1.1 Get 30,000 CNG Coins Worth ₹2000 From Coinsbit CNG Airdrop Refer Earn : 1.1.0.1 Coinsbit […] Didius Julianus. Electronic Auction 484Closing Time: 10:00 AM ETClosing Date: Jan. 27, 2021, Session 1 – Merani Collection Virtual Catalog, Merani Collection – Roman Republican (42), Merani Collection – Roman Imperial (133), Merani Collection – Early Medieval (3). It is my opinion that this coin is a die-struck modern fake of a Katane tetradrachm illustrating the highest quality of forgery one is likely to encounter. that look 98% convincing but have slightly unusual surfaces, looking … Dionysios I. 405-367 BC. The Barry P. Murphy Collection of Severan Denarii. Striking via a slower squeeze, rather than a sudden impact, allows the metal to react differently to the stress, often forming many small die cracks around the edges that neither penetrate the coin, nor go through to the other side. In David Sear's Greek Coins and Their Values, 1978, Volume 1, p. 81, there is a picture of the British Museum specimen of this type, which I believe is the the best struck and highest grade example from the non-retouched die. The Berlin specimen is in the middle, the one from above used to show the genuine style flan cracks is to the left, and the specimen under discussion to the right: The first thing to look at are the eyes, where the two examples to the center and left are very finely engraved, giving the face a natural almost life like look with an intense stare. TThe first is aligned across the horses' heads and driver’s arms where the designs are a near perfect match, although due to minor die shift, there is a clear discrepancy in the lower half most easily seen where the two ground lines do not overlay each other: The overlay image below, aligned on the ground lines, demonstrates how there is also a near perfect match on the lower half of the coins, with every letter in the inscription being a perfect match. This list includes genuine coins and fakes. Below are images are the Nike figure as it appears on the known authentic Berlin specimen (top) above the new specimen (bottom) : On the Berlin specimen the feather details of the wings are very delicate; Nike's head is finely engraved with a clearly female appearance, and her gown looks sheer, following her curves, showing a narrow waist and well-rounded posterior. Here are a few examples of signs of a fake coin that we look for, with sample photos taken from actual online listings of fake ancient coins being sold as authentic. Get it as soon as Tue, Jan 12. 539242. Starting with a genuine coin already expanded to about 25 mm, and then subjecting it to further expansion by pressing with great force and possibly high temperature, the expansion to 30 mm is thus possible. It is a near perfect strike with almost no wear and so the lips on it represent how they were engraved into the die from which it was struck. There are related problems that occur during modern pressing if the press is applied more than once, but they look similar. This is very different from how they look on the authentic Berlin specimen and I have checked this on other specimens from this die and it is clearly not what was on the original die. PO Box 4203 Ormond Beach, Florida 32175 | Office Hrs M-S 7:00AM-7:00PM | Office 434-327-0550 | Email:CoinWeek@gmail.com Over 50 DIFFERENT World Coins (1/2) Half Pound Grab Bag. There can be no doubt that the two coins also appear to share a common reverse die. $5.50. The method by which modern forgers manufacture such dies is known as hubbing. Fake Lycian Stater . The Magistrates of Argos. Fake Histiaia Tetrobols. But the overlay images above prove that was not done to this touched-up die. Circa 264-241 BC. Taken together, the flan crack features are consistent with a coin struck on a press at high temperature, which is a method impossible with ancient technology but easily done with modern technology. The three faces below come from three different coins. Note:There are numerous fake Caesarea Germanica "coins" of this emperor. Show the genuine flan crack pattern also shows this clearly etc., struck from the same as on authentic... 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