28 x 39 in (71 x 99 cm)
ID #EXPK231-008
250-500 art blue conservation culture environmental issues Exhibition gallery horizontal Important issues international medium pipes save the planet Self Promotion size-28x39 toilet
Tonhalle Grosser Saal 9./10 Volkskonzert der Tonhalle-Gesellschaft
Switzerland, 1955
Hyspa Bern (Medium)
Switzerland, 1961
40e Foire Nationale Comptoir Suisse
Switzerland, 1959
47th National Fair Comptoir Suisse #2
Switzerland, 1966
47th National Fair Comptoir Suisse
Swissair - Europe
Switzerland, 1971
