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First I Have Seen These: Terracotta Coin Molds From 310 Ad Alexandria:

 
 
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 Posted 08/21/2019  5:51 pm Show Profile   Check louisvillekyshop's eBay Listings Bookmark this topic Add louisvillekyshop to your friends list Get a Link to this Message
Here is the Met Museum talking about what these are followed by my piece from an estate lot I am going through. 28 mm 2.69 grams Neat!

https://www.metmuseum.org/art/colle...earch/254990





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 Posted 08/21/2019  6:34 pm  Show Profile   Check echizento's eBay Listings Bookmark this reply Add echizento to your friends list Get a Link to this Reply
I'm surprised that they have lasted so long with crumbling to dust. I have no idea what they are worth, these are the first I've seen outside of a museum so I imagine they very rare.
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 Posted 08/21/2019  8:25 pm  Show Profile   Bookmark this reply Add Kushanshah to your friends list Get a Link to this Reply
Molds such as these are not as rare as one might imagine. The counterfeit tetrarchic folles produced with them tend to pass unnoticed in the trade but can often be spotted by those who know what they are looking for. The phenomenon is most closely associated with Egypt but molds have been found as far afield as Britain.

https://cNGCoins.com/Coin.aspx?CoinID=384341
https://cNGCoins.com/Coin.aspx?CoinID=378470
https://cNGCoins.com/Coin.aspx?CoinID=161545
https://cNGCoins.com/Coin.aspx?CoinID=365756
Edited by Kushanshah
08/21/2019 8:26 pm
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 Posted 08/21/2019  9:12 pm  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply
Those are pretty cool @lks! I've seen ancient Chinese coin molds, but not ones for the Romans.
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 Posted 08/21/2019  10:37 pm  Show Profile   Check louisvillekyshop's eBay Listings Bookmark this reply Add louisvillekyshop to your friends list Get a Link to this Reply
So why two reverses? Like were 2 coins made at once or more? Any one know this process?
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 Posted 08/21/2019  11:18 pm  Show Profile   Bookmark this reply Add Kushanshah to your friends list Get a Link to this Reply

Quote:
So why two reverses? Like were 2 coins made at once or more? Any one know this process?
A number of coins could be produced from one pour by keying and stacking the molds. It's likely than the metal for counterfeit Tetrarchic folles came largely from official coins with the silver content first removed by cuppellation. The silver thus recovered was the counterfeiter's profit margin. Any bronze or pot-metal scrap at hand to add to the crucible would be a bonus. The illustration below shows 3rd-century molds for denarii based on British finds but the functional setup would have been similar a century later.
Edited by Kushanshah
08/21/2019 11:27 pm
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 Posted 08/21/2019  11:37 pm  Show Profile   Check louisvillekyshop's eBay Listings Bookmark this reply Add louisvillekyshop to your friends list Get a Link to this Reply
Wow thanks! It does seem hard to believe the bronze coin just fell out of the mold and one would think the clay could maybe handle hot molten bronze once then be a nightmare to clean up. But this must have worked better than I imagine.
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 Posted 08/22/2019  12:01 am  Show Profile   Bookmark this reply Add Kushanshah to your friends list Get a Link to this Reply
I don't think the molds would have been used more than once. They are almost always found broken. Clay is (literally) "dirt" cheap and durable enough for a single use once fired into pottery. It is also brittle, making it rather easy to retrieve the finished product.
Edited by Kushanshah
08/22/2019 02:18 am
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