Check the listing for details. Original US Issued WWII Army M1910 Pick Axe Mattock - "US" stamped Diamond Calk. Condition: Used, Made in United States. Listed at 109.95 USD. The product is an original US Army M1910 pick axe mattock from World War II, stamped with a "US DIAMOND CALK 1945”. This collectible item is a piece of personal gear from the United States military during the conflict of World War II, making it a valuable and historical artifact for collectors of militaria. Its originality and authenticity add to its appeal as a unique and vintage piece from a specific era in history. The handle is about 17 inches long. I have a hatchet from the estate sale in another listing. Check out the photos as they are a major part of the description. Show me an offer if you think it will help your purchase. I will combine shipping on items purchase the same day.