Georges MATHIEU (1921-2012) Typescript letter signed and dated March 20, 1969 to Jean Leymarie. 2 pages, with Moult de Parte letterhead and beautiful signature. "More and more I became convinced that an artist - whose fundamental vocation remains undoubtedly the invention of a language, first of all the expression of his personal drama - had to make this language pass into life." etc. Small folds and foxing.