Distinguished Irish-born American sculptor best known for his powerful Civil War monument in the Boston Common and for his unsurpassed designs for American coinage. Fountain pen signature, “Yours truly, Augustus St-Gaudens,” on a light green clipped slip. Matted with a photo of Saint-Gaudens posing with one of his works, to an overall size of 8 x 12. In fine condition, with trivial vertical fold to left of signature an a few stray ink marks to left edge. R&R COA.