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Evidence of Pressing - Edge of Cold Pressed Gold Aureus1073 viewsEdge of warm pressed gold aureus.Ilya Prokopov
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Evidence of Pressing - Edge of Cold Pressed Sestertius936 viewsEdge of cold pressed AE sestertius.Ilya Prokopov
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Evidence of Pressing - Edge of Warm Pressed Silver Denarius1213 viewsEdge of warm pressed denarius.Ilya Prokopov
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Evidence of Pressing - Edge of Warm Pressed Silver Tetradrachm1456 viewsAR Tetradrachm
Edge of warm pressed Macedonian Kingdom, Philip II, silver tetradrachm.Ilya Prokopov
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Evidence of Pressing - Fake Flow Lines537 viewsThe style of this coin is completely wrong so we know it is a pressed fake. What is unusual about this example is the fake flow lines on the obverse. They really look very little like genuine flow lines. Joe Sermarini
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Evidence of Pressing - Flat Fields501 viewsThe fields on this coin are much too even and flat, clearly indicating it was pressed. It was also made with dies with very odd and completely wrong style. Joe Sermarini
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Evidence of Pressing - GENUINE COIN - Strike Flow Lines (example on a genuine coin)3581 viewsThis is a genuine coin. Many modern fakes are not hand struck. They are pressed using a hydraulic or screw press. These presses compress the planchet and force the metal to fill the die just like striking, however, the process is slower and usually done with an unheated planchet. Striking by hand (particularly silver and with heated flans) results in metal flow lines as seen on this coin inside the red circled areas. A coin struck with a new fresh unused die will not show flow lines. The lines are actually worn into the die by flowing metal. The more worn the dies, the larger the flow lines you might expect to see. The dies used to strike this coin still have good detail but the flow lines are already fairly strong. This is fairly typical for the time period and is probably related to mint techniques of the era. Many genuine coins do not have flow lines as obvious as this coin, however, this coin is a good example for study. These lines are usually missing on pressed fakes and are often missing or reduced on cast fakes. Joe Sermarini
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Evidence of Pressing - Lacking the Imperfections of Hand Striking2798 viewsMany modern forgeries are not hand struck, they are machine pressed. Pressed coins normally have strangely flat fields, a lack of flow lines, no doubling, no slippage, uniform strike (no flat areas), and uniform thickness. Often these coins are also very well centered. Slavey coins are pressed (to see more pressed coins use the search function and search for Slavey).
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Evidence of Pressing - Lacking the Imperfections of Hand Striking326 viewsMany modern forgeries are not hand struck, they are machine pressed. Pressed coins normally have strangely flat fields, a lack of flow lines, no doubling, no slippage, uniform strike (no flat areas), and uniform thickness. Often these coins are also very well centered. Joe Sermarini
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Evidence of Pressing - Lacking the Imperfections of Hand Striking335 viewsMany modern forgeries are not hand struck, they are machine pressed. Pressed coins normally have strangely flat fields, a lack of flow lines, no doubling, no slippage, uniform strike (no flat areas), and uniform thickness. Often these coins are also very well centered. Slavey coins are pressed (to see more pressed coins use the search function and search for Slavey). Joe Sermarini
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Evidence of Pressing - Modern Dies with Wrong Style366 viewsAll pressed coins are pressed with modern dies, quite often style errors. To the trained eye this coin's style is clearly wrong. Joe Sermarini
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Evidence of Pressing - Modern Dies with Wrong Style245 viewsAll pressed coins are pressed with modern dies, quite often with style errors. To the trained eye this coin's style is clearly wrong. Joe Sermarini
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Evidence of Pressing - Near Perfect Strike374 viewsThis coin has near perfect centering and a perfectly even bold strike. Genuine coins are rarely struck this well and any coin struck this well must be examined very carefully before being accepted as genuine. This coin is fake. Joe Sermarini
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Evidence of Pressing - Near Perfect Strike381 viewsThis coin has near perfect centering and a perfectly even bold strike. Genuine coins are rarely struck this well and any coin struck this well must be examined very carefully before being accepted as genuine. This coin is an obvious fake to the trained eye. The fields are very flat and look quite different from a genuine strike. Joe Sermarini
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Evidence of Pressing - Press and Modern Dies Used to Press Fake Coins1099 views
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Evidence of Pressing - Steps on Rims496 viewsOn the reverse rim on the right side it appears the mechanical press did not move in one smooth motion but rather in steps. Perhaps the pressure was applied with a hand pumped hydraulic jack.Joe Sermarini
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