Original U.S. WWII Personal Effect Items Lot Including Sealed Toiletries MG 34 Display Guns & Part Sets knowledge of the time and

knowledge of the time and date with valid charts allows a navigator to determine his latitude or position on the surface of the earth or on the open seas

so it most likely is from age and stress

However we cannot know for sure

The bottom of the canteen has what appears to be a unit marking as well as ASKHABAD 1914

Original U.S. WWII Personal Effect Items Lot Including Sealed Toiletries MG 34 Display Guns & Part Sets knowledge of the time andThis is a great lot of WWII personal effects & rations commonly found in the kit of an American G. I. This lot has some great items that will definitely help spruce up your WWII G. I. display. The lot includes: Empty Box of Molle shaving cream, good shape. Williams Glider No Brush Shave box of razors, empty. Box has damage. Bottle of Aqua Velva for after shaving by Williams. Mennen Talcum for Men, use after the bath. Comb. GEM Micromatic single edge