LOT 30C - THE LEGEND OF THE SILVER MERCURY DIME SPANNING FOUR DECADES AND THREE UNITED STATES MINTS - 1916-1919, 1920'S, 1930'S, AND 1940'S - IT SHOWS OBVERSE AND REVERSE SIDES - THREE MINTS : NO MINT MARK MEANS PHILADELPHIA, "D" MEANS DENVER, AND "S" MEANS SAN FRANCISCO - TOTAL OF 7 COINS