"Rich Preheim, director of the church’s archives, said the ordnance was found in a box of items donated by George Springer, who had served with a Mennonite relief mission in France after WWI.
"He presumably came back with some souvenirs," Preheim said."
OK I HAVE QUESTIONS.
did the person collecting just say "hm, grenade" and keep going? did they think it was a model? IS THIS WHAT 100 YEARS OF BACKLOG DOES?
(this isn't the only such case even)
@Satsuma maybe that explains more about now