7mm Penna

I need help identifying a cartridge. The bullet measures 7.05 mm and the case length is 23.12 mm. The case is straight, rimless and has a thick rim. The bullet is semi-round nose and is full metal patched. There is no headstamp and it appears to have a standard diameter primer. The case diameter is 7.92 mm

Sounds like the 7mm Penna. These usually have the designation stamped on the side of the case, rather than as a headstamp. See: 7penna.biz/7penna.htm

Mr. Williams thank you very much. You are absolutely correct. I remember getting the cartridge several years ago and somehow, it just slipped through all my record keeping. Your help is greatly appreciated. Regards, Bill Ballard