semipostal
/ˌsɛmiˈpoʊstəl/
adjective
- Relating to a postage stamp that is sold at a price above its postal value, with the extra money going to a charitable cause.
- Many countries issue semipostal stamps to raise funds for health research.
- The semipostal stamp cost 75 cents, but only 55 cents was for postage.
- She bought a semipostal stamp to support wildlife conservation.
noun
- A semipostal stamp.
- The charity sold semipostals at the post office counter.
- Collectors often seek out rare semipostals from the early 20th century.
- He added a semipostal from Switzerland to his stamp album.