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The mark on my coin is roughly 6 mm tall, punched on a coin 30 mm in diameter. See image below. https://lh3.googleusercontent.com/rf3VEupvOZh2uL13scD519nKk4kJLU61l0nQK7b7-d8QmahQboFbvCnoB9m5RSEfZwUPzSuEyr-j7u8Hj2d8UCEIdSncEbsTC814VjDkr-xx96jj-1cEbEQzLxLE7a-Dlo1eV1e3iw=w2400 A regulation by Goldthwai...

Hi, Thank you all for your replies. I am familiar with regulated gold coinage and the present coin has certainly been adjusted to conform to a weight standard. The circumference has been clipped and re-edged, and a very large plug has been inserted in the center of the coin. The mark on the coin abs...

Hi, I'm requesting help in identifying a mark found on a 1750 Brazilian gold coin. The mark appears to be the letters IG, with a crown above and a cross or fleur-de-lis below. It is punched atop a bold plug at the center of the coin and is double-punched. The coin was likely plugged and marked in Ne...