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Why Are So Many Ancient Coins Struck Off-Center?

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United States
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 Posted 02/13/2025  12:45 pm  Show Profile   Bookmark this reply Add floyd5175 to your friends list Get a Link to this Reply
Were silver blanks hot at the time of striking?
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Sap's Avatar
Australia
16839 Posts
 Posted 02/13/2025  4:37 pm  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply
We don't think so. Silver is soft enough not to need it. Unlike with copper/bronze coins, there is no evidence the blanks were handled with tongs.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis
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Sap's Avatar
Australia
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 Posted 02/13/2025  5:15 pm  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply

Quote:
How big was the hammer to strike those coins? It must have had heft to drive the design that deeply.

We don't have any unequivocal coin-minting hammers that have survived, so all we have to go on are (a) surviving hammers of various kinds, which may or may not be relevant, and (b) illustrations of the hammers in pictures of coin manufacturing.

For surviving hammers, the weight ranges from under 100g to over a kilogram; half a kilogram (two Roman pounds) seems like a typical blacksmith's hammer weight.

For images, this old thread has a collection of pictures of coins which are believed to depict coin-minting tools. The hammers all seem to be quite small:
Why-Are-So-Many-Ancient-Coins-Struck-Off-Center?

The figures depicted holding the hammers in the above examples are all holding them one-handed, though the long handle implies they were actually held two-handed during the striking.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis
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tdziemia's Avatar
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 Posted 02/14/2025  09:03 am  Show Profile   Bookmark this reply Add tdziemia to your friends list Get a Link to this Reply

Quote:
We don't think so. Silver is soft enough not to need it.


I know we're talking about ancients, but I wonder if that changed with the introduction of large silver coins in the 15th century (since if diameter doubles you need to hit the coin four times as hard ... unless you soften it).
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