Estados Unidos. Bibliografía

1980. Subasta de la Colección THE ISHIKAWA COLLECTION OF UNITED STATES 1851-1857 1 CENT BLUE ISSUE POSTAGE STAMPS IN MULTIPLES AND RECONSTRUCTED PLATES, celebrada el 24 de Junio de 1980. Sotheby Parke Bernet Stamp Auction Cº. New York, 1980. (incluye los precios de realización).

Traducciones automáticas

1980. Auction of THE ISHIKAWA COLLECTION OF UNITED STATES 1851-1857 1 CENT BLUE ISSUE POSTAGE STAMPS IN MULTIPLES AND RECONSTRUCTED PLATES, held on June 24, 1980. Sotheby Parke Bernet Stamp Auction Cº. New York, 1980. (includes realization prices).