The Valentine-Souvenir Co. was formed out of the merger of the Leighton & Valentine Company and the Souvenir Post Card Company. It published tinted halftone view cards in line block in the United States.
The Valentine-Souvenir Co. was formed out of the merger of the Leighton & Valentine Company and the Souvenir Post Card Company. It published tinted halftone view cards in line block in the United States.