23/AP/1893 NIAGARA FALLS - Germany, 2c. postal card sent to Atens, with New York transit mark, very nice! (Image)

Receipt note for a registered cover sent from "WORLD´S FAIR STATION" in Chicago on 21/DE/1893, very interesting, excellent quality! (Image)

MAIL WITH POSTAGE DUES: 38 Covers used locally, all with postage due stamps and/or marks, interesting lot for the specialist! IMPORTANT: Please view ALL the photos of the lot, because all the covers have been scanned (both sides) (Image)

Airmail cover sent from New York to Argentina on 14/NO/1932 with nice franking of 55c., very attractive! (Image)

Express cover sent from Providence to Germany on 1/JUN/1934, transit mark of New York on back, interesting! (Image)

Rare auxiliary mark: Airmail cover sent from New York (Jamaica St.) to Dayton OH on 14/AP/1937 franked with 6c., with machine mark of Dayton "RETURN TO WRITER - UNCLAIMED", and violet mark "FRAUDULENT - Mail to this address returned by - order of Postmaster Central", excellent quality! (Image)

ALASKA CANCELS: 5 Covers of the years 1949 to 1954 with marks of Barrow, Union, Burton Island and Fairbanks, interesting! (Image)