Description:World War I artillery shell brought back by Christy Mathewson with war related paperwork. Includes a used 90mm artillery shell casing (9" tall) which was transported back from World War I by Christy Mathewson; several pages of typewritten notes which were found among his military related paperwork which are a summation of "German Fuzes" and there is information related to different pieces of German artillery and specifications. Include Mathewson Collection certificate of provenance: Overall EX