Original U.S. WWI MkII Pineapple Grenade Converted for Homefront Use -War Savings Stamps Promotional Piggy Bank Category_MG 34 Pistol Grip Assembly and seems to be made

and seems to be made of plastic

which says TREMOLO / CONCERT

and black horse hair mane

They would have quite a bit of time on their hands

Original U.S. WWI MkII Pineapple Grenade Converted for Homefront Use -War Savings Stamps Promotional Piggy Bank Category_MG 34 Pistol Grip Assembly and seems to be madeOriginal Item: Only One Available. This hand grenade bank is loaned with the understanding that the bank named on the reverse side will donate the same as a reward for patriotic thrift when the holder saves and invests in one or more War Savings Stamps. These hand grenade savings banks are real MKII pineapple grenades, but were rendered inert by having the blasting cap fuse taken out as well as the explosive material inside. They are the exact same