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

21/AP/1877 ILO - Italy, folded cover and entire letter franked with Peru stamp of 10c. (Sc.25) with oval cancel "C38" of English offices in Callao, on back transit marks of Callao 28/AP, London 29/MAY, and Genova arrival 1/JUN where it also received postage due stamps for 2.30L., with the name of the addressee cut out, else excellent!