xause point me to another auction with an interesting mauser, now sold
https://www.proxibid.com/aspr/A-Hollis-B...&rfpb=0#Top

was not cheap but he thinks its a rigby made rifle in a Hollis stock

A. Hollis & Son Mauser Bolt Action Rifle

Barrel marked "A. HOLLIS & SON. RIFLE. MAKERS. TO H.R.H THE. DUKE. OF. CANNAUGHT".
Single square bridge, stepped receiver ring, slant box magazine, .350 Express

sold for 5500

will safe it it here for reference