PCGS MS-64 Morgan Silver Dollar BU Coin. _gsrx_vers_841 GS 7.0.16 (841). The item "PCGS MS-64 Morgan Silver Dollar BU Coin" is in sale since Tuesday, August 6, 2013. This item is in the category "Coins & Paper Money\Coins\ US\Dollars\Mixed Lots". The seller is "juliancoin" and is located in Silver Spring, Maryland.