On March 25, 1984, the USPS issued an imprinted postcard with the imprint or 'stamp' c..

On October 7, 1989, the USPS issued an imprinted postcard with the imprint or 'stamp' ..

On June 13, 1987, the USPS issued a set of 50 stamps commemorating North American..

On February 15, 1988, the USPS issued a stamp commemorating the 200th Anniversary..

On February 6,1988, the USPS issued a stamp commemorating the 200th Anniversary o..

On June 16, 1990, the USPS issued an imprinted postcard with the imprint or 'stamp' co..

On November 14, 1975, the USPS issued a stamp commemorating the Old North Church ..

On June 13, 1987, the USPS issued a set of 50 stamps commemorating North American..

On February 23, 1976, the USPS issued a set fo 50 stamps commemorating the&n..

On February 6,1988, the USPS issued a stamp commemorating the 200th Anniversary o..

On January 26, 1987, the USPS issued a stamp commemorating the 150th Anniversary ..

On July 24, 1951, the USPS issued a stamp commemorating the 250th Anniversary of ..