Rittenhouse ✭✭✭✭

Nice synopsis and follow-on discussion. A few added points: Lapping was generally done with a lap - a slighlty curved plate or disk made of a soft metal such as zinc. The plate was curved to maintain… (View Post)

Electrotypes were a thing since Franklin Peale made the first documented US piece in 1840 until 1886 when the mint got legislation passed and they were banned (along with altered dates and other fabr… (View Post)

I am currently working with John Dannreuther on the US copper series for his upcoming book on proofs. A bit of searching revealed that Hanson's Proof 1827 large cent, PCGS PR64BN, cert 13590226,… (View Post)

Your best chance is the SB or HA auctions. (View Post)

Ah, but there is. Look at the edge. (View Post)