HUGE Lot of (25) 1964 US Mint Silver Proof Sets - in all OGP, ALL UNOPENED Envelopes, possible Accent Hair Kennedy, NICE Sets. Pics are part of description. See my other coin listings and thanks for looking. See below for list of coins.25 - 1964 US Mint SILVER Proof Sets, in all OGP and ALL UNOPENED Envelopes, possible Accent Hair Kennedy inside, a Great Investment. This item is in the category "Coins & Paper Money\Coins: US\Proof Sets". The seller is "vintage-coins-and-stuff1981" and is located in this country: US. This item can be shipped to United States.