The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Pa. Philadelphia. City Hall. Art Color Card Distributors. Mike Roberts. 1973
Independence Hall. Philadelphia. Art Color Card Distributors. Phila. 1978
Pa. Philadelphia. City Hall and Penn Center Area. Art Color Card Distributors
Pa. Philadelphia. City Hall at Night. Post Card Distributing
Philadelphia. Pennsylvania. City Hall. Philadelphia Post Card Co. Frank Burd. 1988
Philadelphia. City Hall from North Broad Street
City Hall. Philadelphia. Pa. P. C. D. Curt Teich. No. 17159
Pa. Philadelphia. City Hall. Souvenir Post Card Co. 1905
