John Conduitt ✭✭✭✭

Because they shouldn't. There have been many posts on this subject but it comes down to: a) they don't guarantee authenticity anyway; b) ancients are far more variable due to the method of manufactur… (View Post)

You could browse a few auctions from different countries. They're usually arranged in relevant eras. DNW and Spink for British coins. Stephen Album for Islamic/Oriental coins. Katz for Eastern Europe… (View Post)

I would also note that Boulton’s overstruck dollar was in production from 1804 to 1811, even though they are all dated 1804. (View Post)

Here are a couple of messy coins... This is a 1731 denga, which seems to both be double struck and struck over a Peter I kopek from 1704-1718. Anna Denga, 1731 Krasny Mint, Moscow. Copper, 7.4g. ДЕ /… (View Post)

Catherine II copper 5 kopecks, Ekaterinburg (EM) https://en.numista.com/catalogue/pieces8257.html (View Post)