Alan Mays' photos with the keyword: poster stamps

A poster stamp advertising the celebrations in 1927 that commemorated the 150th anniversary of the sessions of the Second Continental Congress that were held in York, Pennsylvania, after British troops occupied Philadelphia. "150th Anniversary, York, Penna., of the session of Continental Congress at York, Pennsylvania, from Sept. 30, 1777, to June 28, 1778. Big celebration, Oct. 13, 14, 15, 1927."

"100,000 Population Jubilee, May 17, 1928. Allentown, Pa. Founded 1762."

"Edison Mazda Lamps, 6-60 watt, price $1.50. Phone your order today." A poster stamp for Edison Mazda light bulbs .

"Your letters are priceless. Make folks happy. National Letter Writing Week, October 1-7." A poster stamp for National Letter Writing Week in 1939.