Bidspirit auction | (2) 1972, 1973, (2) 1976-1977,
(2) 1972, 1973, (2) 1976-1977, 1978 US PROOF SETS - NO ORIGINAL PACKAGING INCLUDED ESTIMATE $70 - $90.
(2) 1972, 1973, (2) 1976-1977, 1978 US PROOF SETS - NO ORIGINAL PACKAGING INCLUDED ESTIMATE $70 - $90.