WILLEM DE RIDDER, Fluxus – nieuw!! niet gratis maar 70 ct – 10Bfr [newspaper], 1965
tabloid size
Fluxus newspaper, Amsterdam

verso:

Various shots of Dorothea Meijer seated amidst the Mail-Order Warehouse items if the Fluxshop in the home of Willem de Ridder in Amsterdam during the winter 1964 – 1965