THE MERCURY DIME SEMI-KEYS

THE MERCURY DIME SEMI KEY DATES , ARE AS FOLLOWS THE 1921-P, 1921-D, 1926-S, 1930-S AND OF COURSE THE 1931-D AND 1931-S. TO THE MERCURY DIME COLLECTOR, SUCH AS MYSELF, MOST OF THE HOBBY'S FOCUS ( AND HYPE ) SEEMS TO BEON THE FAMOUS 1916-D , AS WELL AS THE AMAZING OVERDATE MERC. COINSP