1979 3.1c Stamped Envelopes and Wrappers,ultramarine
# U589 - 1979 3.1c Stamped Envelopes and Wrappers - ultramarine
$1.00 - $2.50
Stamped Envelopes
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.