Envelope. A postcard by R. Filliou

Published by Ed. Ecart Publications, Genève
Black offset on envelope, 11.5 x 16 cm.

Contained in ring binder "Opere Fluxus: artisti vari"

S. Jouval, "Robert Filliou: catalogue raisonné des éditions & multiples", livres et videos, Dijon, 2003, No. 63-64.