Lot 727
727
Literature, three books, Canal Zone Stamps by Plass, Brewster and Salz, published by CZSG 1986, also Postal Markings of the Canal Zone by Entwistle and The Postage Stamps of Mexico 1856-1868 by Chapman, all appear fresh and very fineest.

Details
Literature, three books, Canal Zone Stamps by Plass, Brewster and Salz, published by CZSG 1986, also Postal Markings of the Canal Zone by Entwistle and The Postage Stamps of Mexico 1856-1868 by Chapman, all appear fresh and very fineest.