2023, 20 Pesos Commemorative Coin 1 1

[Fenntucky Mike]

The coin is not bad looking but I enjoyed the making of video more. It showed most, if not all, of the steps in making a bimetallic, dodecagon coin. 

 

[Zebo]

Nice Job!

[RWB]

Very nice video. Especially good that it shows some of the steps no longer practiced by US Mints.

[Fenntucky Mike]

On 12/26/2023 at 4:05 PM, RWB said:

Very nice video. Especially good that it shows some of the steps no longer practiced by US Mints.

I was surprised to see them laser scanning the clay models of the eagles to be used in the design, I would have thought everything was designed digitally. Also, I probably should have known this but I never stopped to think that the outer ring on bimetallic coins was prepped, I'm guessing the ID is readied/cleared prior to the center slug being placed. 

 

Edited December 27, 2023 by Fenntucky Mike

[RWB]

A common interlocking method is to give the inside of the outer ring a " < " shape and the outside of the inner disc a "< " shape so that the two iinterlock during the strike. The interlocking areas are left rough so that the disc will not rotate after striking. (There's brief section on this in the book Fads, Fakes and Foibles.