Buying Coins on Ebay

[Noah_D]

So I estimated the diameter to be about 21-22mm which is pretty close to the Gros (23mm). Mystery solved?

 

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[Mackaydon]

The diameter of a 1P was about 42/43; for a 1/2P, 35/36; and for a 1/4P, about 31 mm diameter.
Don....