All 27 regularly minted Lincoln Cents from the decade of the 1950's.  This is a great starter kit for an aspiring young numistatist.  1950-P, D, S, 1951-P, D, S, 1952-P, D, S, 1953-P, D, S, 1954-P, D, S, 1955-P, D, S, 1956-P, D, 1957-P, D, 1958-P, D, 1959-P, D.