RogerB ✭✭✭✭✭

Thanks! Here are the volume date ranges. (Spreadsheets are in reverse chronological order.) Vol 1 Jun 30, 1925 - Aug 24, 1921 Vol 2 Jul 01, 1925 - Jun 30, 1927 Vol 3 Jun 29,1929 - Jun 30, 1927 Vol 4 … (View Post)

FYI. There are some ways to identify "proof" coins by mechanical artifacts on the coins. These can separate screw press (i.e. "lever press") from toggle press ("circulation s… (View Post)

Thank you, Isa. (View Post)

I've completed scanning the complete set of U.S. Treasurer's coin shipment records for the time August 24, 1921 to June 30, 1931. These are #2 and #3 carbon copies in four thick, over-size … (View Post)

You can read about 1941 proof die polishing (and other years) in the book United States Proof Coins 1936-1942. Multiple adjustments were made in Washington quarter master dies, but nothing corrected … (View Post)