As last recorded, the eight open Mercury dime slots were 1916-D, 1919-D, 1919-S, 1923-D, 1924-S, 1930-D, 1934-D, and 1936-S. Recheck the list before treating it as current; acquisitions can change it.
Evidence standardThis reference is distilled from a covered source topic. A photograph can inform a decision, but it cannot authenticate or certify a coin.