USA (printing): lithography printing, and print run of 49,815,000 stamps. (Bureau of Engraving and Printing, Washington)

					país	any	Yvert	nou	usat
Gualtiero Giori
	USA (printing): lithography printing, and print run of 49,815,000 stamps. (Bureau of Engraving and Printing, Washington)				America	1971	airmail 72		0.50€ afegir al cistell

país: America

any: 1971

Yvert: airmail 72

nou:

usat: 0.50€ afegir al cistell