USPS
Adhesive – USPS Definition
(1) The gum or glue on the back of a postage stamp. Stamp adhesive may be either wateractivated or pressure-sensitive. (2) An adhesive stamp or label affixed to a mailpiece cover.
Adhesive
(1) The gum or glue on the back of a postage stamp. Stamp adhesive may be either wateractivated or pressure-sensitive. (2) An adhesive stamp or label affixed to a mailpiece cover.