Cap Grenade Toy VTG Callen MFG. Corp. Maywood, ILL. Metal 2 7/8" L UNTESTED Pat. No. 2,616,219. Has wear, marks and nicks. Has a blue mark on the round head and nicks on the fin. Doesn't stand up on its own. Measures approximately 2 7/8" L. One fin is marked, "CALLEN MFG. CORP. MAYWOOD, ILL" and another fin is marked, "PAT. NO. 2,616,219 CAP GRENADE". Please see all photos for further condition details as they are also part of the description. Sold as is.