1857 Seated Liberty Half Dollar PCGS MS62. The item "1857 Seated Liberty Half Dollar PCGS MS62" is in sale since Saturday, August 15, 2020. This item is in the category "Coins & Paper Money\Coins\ US\Half Dollars\Seated Liberty (1839-91)". The seller is "robscoins" and is located in Collegeville, Pennsylvania. This item can be shipped worldwide.