i am not sure are you¿

catalogue number: hdv 1976.083.1
date created: 1976
classification: mail- & stamp art
work type: stamp art
medium: stamp 'i am not sure are you¿', on card
dimensions: 9.5 × 14.8 cm
signature and inscriptions: the card with the stamp is dated and annotated by herman de vries
current repository: collection herman and susanne de vries
current repository number:
collecting history:
related works:
comment: designed for the exhibition 'Das Museum der Fragen', at Augenladen Bernhard Sandfort, Mannheim in 1977
photo/scan: studio herman de vries/l-cs
rights & reproduction: herman de vries