Textbook Coconut canteen marked HRE42

Textbook issue coconut canteen marked HRE 42 indicating production by Heinrich Ritter, Esslingen. The canteen is in excellent condition and is complete with its original cup. The bakelite drinking cup is a very nice black example marked 1W/31, gfc 1944. For more information on these canteens look at my article here; https://fjm44.com/articles/the-coconut-canteen-ritters-mystery-canteen/