The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Pa. Philadelphia. Independence Hall. Art Color Card. Plastichrome. 1968
Pa. Philadelphia. Independence Hall and Mall. Philadelphia Souvenir. Art Color Card Distributors. Mike Roberts
Pa. Philadelphia. Independence Hall and Mall. Art Color Card Distributors. Mike Roberts. The Continental Card
Pennsylvania. Philadelphia. Independence Hall. Birthplace of Liberty. Mike Roberts Color Publications. Emeryville. Art Color Card Distributors. 1981. Continental Card
Historic Philadelphia. Independence Hall. Carpenters Hall. SS. Peter and Paul Cathedral. Art Museum. Philadelphia Post Card Co. Multi View. 1988
Pa. Philadelphia. Around City Hall. Art Color Card. Mike Roberts. The Continental Card
Pa. Philadelphia. Independence Hall. Art Color Distributors. Don Ceppi
Pa. Philadelphia. City Hall and Penn Center Area. Art Color Card Distributors
