Lots 438 - 439, Catalogue of Auction #61 Raritan Stamps, Inc

Lot   Cat.#
438 **   
1964, 400th Anniversary of the Company of Jesus in Macao, unissued 10a multicolored, lot of four stamps, background and denomination in various colors, completely flawless condition, full OG, NH, VF and extremely rare, only a few complete sets possible, Yang #10a, no price indicated
439 **   C13 fn

Air Post stamps

1940, New York World's Fair, green overprint on 50a red brown, two exemplars, one of which has inverted overprint, full OG, NH, VF and rare, 2,000 stamps were issued with a common overprint, while only25 were produced with inverted overprint, expertized by S. Wolf