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 – USPS USPS

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.