DON’T DO ANYTHING / OPUS. MAIL ART EVENT SCORE.

Amsterdam: De Ridder, 1963<

10 x 12cm, 1pp. An early Fluxus work in adhesive sticker form with a postal event score designed to be placed on a larger card and mailed – limitation unknown but distributed by De Ridder. This example has the backing plastic still in place and is in remarkable condition. NOT in Fluxus codex. Rare.