Yes, Dr William Sheldon described the die varieties for 1793-1814 Large Cents in his book titled Penny Whimsy, hence the S numbers. The R number would refer to the rarity with R1 being common and R8 unique or nearly unique. Sheldon's grading scale was the basis for today's 1-70 scale. The organization that caters to copper aficionados is Early American Coppers.
Edited by biokemist6
09/22/2009 10:45 am
09/22/2009 10:45 am


















