stickyback

Etymology

From sticky + back.

stickyback means A small photographic portrait with an adhesive backing. Lexicurio rates it Sui generis — a strength score of 92 out of 100.

noun

A small photographic portrait with an adhesive backing.“She did not need a passport, but Michael advised her to get a few snapshots. So she went and had some "stickybacks" taken.”
A sticker used as propaganda.“In Madrid, Barcelona, Valencia, Seville, etc., one sees posters and stickybacks everywhere demanding the release of Thaelmann.”