This lot is closed for bidding. Bidding ended on 5/21/2022
Posi-Negative. Florida: Paul Lembo, 2000s. A Lubor Fiedler idea in which the word “FILM” on the wooden board changes from white-on-black to black-on-white under the guise of an observation test. Originally manufactured by Henk Vermeyden. 17 x 7”. Very good.