Partial set Roosevelt silver dimes

9 panels from the Postal Commemorative Society. There are 4 panels each with a dime from the Philadelphia, Denver, and San Francisco mint. They are 1949, 1950, 1951, and 1955. After 1955 they discontinued making dimes in San Francisco so the other 5 panels only have dimes from Philadelphia and Denver They are 1956, 1957, 1958, 1959, and 1960. There are 22 silver dimes in total and they are circulated.