A method for making photographic cards by imprinting a message directly on the reverse side of a photograph, in a plurality of configurations including singular cards, cards in sheet form, cards in roll form and cards in a new and improved continuous form with tractor feed selvedge strips and perforations...http://www.google.co.uk/patents/US5428423?utm_source=gb-gplus-sharePatent US5428423 - Photographic printed cards and apparatus and method of making same
