Bidspirit auction | (10) 1961 US PROOF SETS
(10) 1961 US PROOF SETS MISSING HALF DOLLAR & CENT - LEADERS IN ON-LINE AUCTIONS ESTIMATE $150 - $200.
(10) 1961 US PROOF SETS MISSING HALF DOLLAR & CENT - LEADERS IN ON-LINE AUCTIONS ESTIMATE $150 - $200.