6c State (O60). Deep rich color and proof-like impression, some excess gum on stamp, tied by quartered cork cancel, "Washington D.C. Aug. 13" circular datestamp on legal-size "Department of State" imprint cover to Charles W. Riley, Consul General of the Orange Free State, in Philadelphia Pa., intact red wax seal, receiving backstamp, stamp with tiny tear and small diagonal crease at top right, otherwise Extremely Fine, outstanding quality for this scarce 6c State usage, ex Ackerman, with 2007 P.F. certificate

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