1951 1c PCGS PR67RD, 1951 5c PCGS PR67, 1951 10c PCGS PR67, 1951 25c PCGS PR67, 1951 50c PCGS/CAC PR66+. Mintage of 57,500 sets issued. Few of those remain intact. CAC approved for quality. PCGS+ grade for premium quality at the top of end of the assigned grade.