WILLEM DE RIDDER
WILLEM DE RIDDER- FLUXUS ARTIST. Paper Fluxwork. 14 cards. N.Y., Fluxus, ca. 1967. Plastic box with label glued on lid. 9 x 12 x 1.3 cm. In very good condition. -
Silverman 103 mentions 7 cards, while Silverman 101 mentions 14 cards, but these were kept in manila envelope. - On the label is blindstamped in lower right corner "ReFlux".