Simon Vinkenoog, Bart Huges, Jean-Pierre Moulin and Jan Vrijman (?) during a ritual (kamferproeven, as written on the back)

One of a series of 15 vintage b/w photographs by Ronald Sweering taken during performances Happening Open Het Graf, Amsterdam op 9 december 1962.

Simon Vinkenoog, Bart Huges, Jean-Pierre Moulin and Jan Vrijman (?) during a ritual (kamferproeven, as written on the back)

One of a series of 15 vintage b/w photographs by Ronald Sweering taken during performances Happening Open Het Graf, Amsterdam op 9 december 1962.