Keywords: USA-Stamp-1973-ZIPCode.jpg en USA 10-cent postage stamp 1973 It all depends on ZIP code U S Postal Service; National Postal Museum http //arago si edu/category_2034679 html Zip Code Issue Bureau of Engraving and Printing Designed by Randall McDougall 1973-11-29 PD-USGov Stamps of the United States 1971-1977 ZIP codes 1973 stamps of the United States |