CACHET COVER; TREATY OF PARIS, DECEMBER 10, 1898; UNUSED STATIONERY ENVELOPE, 10 CENTS WITH AMERICAN FLAG
Guam: Guam Guard Mail, 1978. Envelopes. The Guam Guard Mail was restarted on April 8, 1976 and regularly continued to issue stamps and stationery, whose use is limited to mail between their posts and offices. It was discontinued on December 31, 1981. A fine cover. More