US Mint and Proof Sets › 1957 US Proof Set Image 1 of 1 1957 US Proof Set $30.00 Photo is stock, item may show signs of wear. Quantity: Purchase Added! Photo is stock, item may show signs of wear. Picture is stock. Item you may get might show signs of wear. envelope might have writing on them. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More