A COLLECTION OF AMERICAN COINS PROOF SETS FROM THE 1970s.J. Greenstein & Co., Inc.4.4(63)$100Apr 21, 2026
![1955-1957 [3] U.S. Proof Sets First Image](https://p1.liveauctioneers.com/7261/377187/208358177_1_x.jpg?height=282&quality=95&sharpen=true&version=1750258629&width=282)
![1955-1957 [3] U.S. Proof Sets First Image](https://p1.liveauctioneers.com/7261/377187/208358177_1_x.jpg?height=282&quality=1&sharpen=true&version=1750258629&width=282)
![1953 US Proof Set 1C-50C [5 Coins] (1 of 2)](https://p1.liveauctioneers.com/7261/407253/226817306_1_x.jpg?height=282&quality=70&sharpen=true&version=1772574271)
