Miscellaneous Willem de Ridder ephemera

Features a score card 'Send this card to your neighbor', 21 x 15 cm, signed de Ridder on verso. + An envelope sent by John Cage to Willem de Ridder in 1965 containing the event card 'if you read this sentence you owe willem de ridder $4.50 copyrights, please send as quick as possible (with the address). Possibly Cage paid his dues.

+ A printed label for Suck First European Sexpaper and a copy of KISS Vol. 2 #19 edited by Al Hansen & Albert Fine. + Radio Art, edited by Willem de Ridder and William Levy, published by Galerie A, Amsterdam, 1981. 16 pp. + De Ridder retrospective, edited by de Ridder and Levy. Published by Groninger Museum, 1983. Copy is complete with the insert. All items derive from the archive of Willem de Ridder. + some cards and Suck publicity. (total 9)