Card labels on card. 37.5 x 39.5 cm. Framed in object box. Verso on card on artist's label signed 'Peter Roehr'
Estate inventory no.OB-77 (with label verso)
With written confirmation from the estate of Peter Roehr, Paul Maenz, via email dated 15.3.2014
Sammlung Paul Maenz, Cologne; Sammlung Otto Muehl, Vienna; private collection, Bavaria