Hi all. I am looking to swap silver dimes, preferably 1 for 1. I need mercury dimes, I have a number to send in trade as well as silver Roosevelts. I need: 1919-S 1920 1920-D 1921 1921-D 1923-S 1924 1924-S 1925-D 1926-D 1926-S 1927-D 1927-S 1929-D 1931 1931-D 1931-S 1934-D 1938-S