“My granddad dug this up in Liverpool. It may be ammunition from World War II, but it’s unusually decorated. What is it?”
Answer: This is called trench art. Trench art is the name of the creation of various things from the objects that military men had at hand, in most cases, from the remnants of ammunition and the equipment that was damaged in a battle.
He's ok.
https://www.reddit.com/r/whatisthisthing/comments/gtelj4/found_these_in_my_cooke
d_spaghetti_the_sauce_was/