semi-postal stamp
noun1
A postage stamp which includes a premium for charitable causes in addition to the charge for postal service.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
A postage stamp which includes a premium for charitable causes in addition to the charge for postal service.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
Do you accept non-essential analytics cookies?