I believe that those are 22kt, and net out at half an ounce each.
Later $100's, after 1984 or so (not sure of exact date), have a lower fineness and net out at a quarter ounce each.
Numismatist. 50 year member ANA. Winner of four ANA Heath Literary Awards; three Wayte and Olga Raymond Literary Awards; Numismatist of the Year Award 2009, and Lifetime Achievement Award 2020. Winner numerous NLG Literary Awards.
Comments
Later $100's, after 1984 or so (not sure of exact date), have a lower fineness and net out at a quarter ounce each.
Ahh, thanks guys! Given the denomination I thought they were a full oz. That would have hurt!