John P. Charlton (original) (raw)
John P. Charlton was an American printer and stationer from Philadelphia, Pennsylvania, who is often credited as the inventor of the private postal card, which he copyrighted in 1861 together with Hymen Lipman.
John P. Charlton was an American printer and stationer from Philadelphia, Pennsylvania, who is often credited as the inventor of the private postal card, which he copyrighted in 1861 together with Hymen Lipman.