I know they are not from WW2, just trying to find out what era (50s-80s)
Are those yellow markings a modern waffeamt?
As a Ex servicemen with PTSD, I see this quote in a different context
"Enjoy the war, as the peace will be unbearable"
the ident no is a NATO stock number 5855-12-137-5591 ,, the 12 donates germany ,as 99 is UK and 01 or 00 is US ,,so not war time ,,probably 80s image intensifier