MATISSE Henri "Grosse tête, Katia" (1964) Original vintage & rare collotype from 1964 Phototype / Collotype on thick paper Singed on a plate: Henri Matisse Printed and published by: Maeght Editeur Phototype published for the Matisse exhibition in 1964 at the Maeght gallery. Small paper creases - see photos. Collotype / phototype - is a gelatin-based photographic printing process invented by Alphonse Poitevin in 1855 to print images in a wide variety of tones without the need for halftone screens. The majority of collotypes were produced between the 1870s and 1920s. It was the first form of photolithography. Fast insured shipping with DPD