Commemorative cover with a cachet honoring the United Nations and the peaceful use of the sea, signed in black ink, “Grace de Monaco.” Double-matted and framed with two photos of Kelly and a name plaque to an overall size of 21.5 x 20. In fine condition, with a PSA/DNA authentication label affixed to lower right corner of cover. Accompanied by a full letter of authenticity from PSA/DNA. RR Auction COA.
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