Auction # 2506 WORLDWIDE + ARGENTINA: Special auction Punta del Este Exposition

Cover that contained printed matter sent from Zürich to Lyon on 28/OC/1938, forwarded several times to find the addressee. In the Post they discovered a fraud (the cover contained a letter) and applied a number of postage due stamps on front and back, total 52.50Fr., with small defect, a splendid cover!