KerrisdaleGallery.com – stock ID#LE707sv-b – Gray Yellow Camera Abstract (untitled) by Erich Lethgau, to show accompanying Artist Biography – from “Künstlerkalendar ’75” , an oversized calendar featuring original serigraphs from 13 European artists, © 1975 Verlag F. Bruckmann KG, München (Bruckmann Publishing, Munich)