This listing offers an 1883 Carson City Morgan Silver Dollar graded by NGC in Mint State 63 Deep Proof Like (DPL) that includes the original box and certificate of authenticity as issued by the General Services Administration (GSA).
According to the Certificate of Authenticity, “This coin is an uncirculated specimen of the Morgan dollar, containing ninety percent silver, which somehow survived the massive coin melts of the early 1900’s. The were discovered by a Treasury audit in 1964, after nearly a century of obscurity in the vaults.”