Bidspirit auction | (4) U.S. PROOF SETS &
(4) U.S. PROOF SETS & (2) U.S. MINT PROOF SETS - U.S. PROOF SETS: 1981, 1982, 1985 & 1987. U.S. MINT PROOF SETS: 1989 & 1990 ESTIMATE $40 - $60.
(4) U.S. PROOF SETS & (2) U.S. MINT PROOF SETS - U.S. PROOF SETS: 1981, 1982, 1985 & 1987. U.S. MINT PROOF SETS: 1989 & 1990 ESTIMATE $40 - $60.