I've always had a soft spot for the slim, elegant Argentine M1891 Mauser.
I glommed this tonight at an on-line auction.
https://www.milsurps.com/images/impo...ymauser1-1.jpg
description was a bit spare..
1891 Mauser rifle. 7.65 cal. SN:A5181. Appears to have matching #s, unknown hand guard, polished top of receiver.
Better pics and description when it arrives