A stamped envelope or postal stationery envelope (PSE) is an envelope with a printed or embossed indicium indicating the prepayment of postage. It is a form of postal stationery, and a neat addition to any stamp collection.
1981 18c Hand & Braille Stamped Envelope
1982 20c Stamped Envelopes and Wrappers - Purple Heart
1984 20c Stamped Envelopes and Wrappers - Small Business USA
1979 15c Special Olympics
1986 8.5c Stamped Envelopes and Wrappers - The Mayflower
1982 20c Stamped Envelopes and Wrappers - Great Seal of the U.S.
1983 5.2c Stamped Envelopes and Wrappers - USA
1980 15c Stamped Envelopes and Wrappers - Honeybee & Orange Blossoms
1985 6c Stamped Envelopes and Wrappers - Frigate U.S.S. Constitution
Stamped Envelopes