I posted this over in the auction thread but in retrospect thought it should probably go here for posterity. Mods please delete one if you think it's appropriate.

*EXCEPTIONALLY FINE ORIGINAL CONDITION JOHN RIGBY MAGNUM SQUARE BRIDGE MAUSER RIFLE.

SN 100952. (1937) Cal. .350 Magnum. 24″ Tapered round bbl with large boss at breech end is fitted with sleeved-on rear sight base holding two folding leaf express sight, banded-on sling eye, and sleeved-on front ramp with white bead. Top of bbl is engraved in Olde English script “John Rigby & Co. 43 Sackville St. London.” Square bridge magnum Mauser action is engraved “.350 MAGNUM” and “RIGBY MAUSER” around receiver ring, left side of which is stamped with Rigby SN and Mauser SN. Bolt with classic pear shaped handle has flag safety, gold inlaid “SAFE”. Cocking piece is fitted with Rigby’s special patented peep sight. Sear has been V’d out and cocking piece fitted to better center this sight. Single stage trigger is temper blued. Drop box bottom metal has hinged straddle floorplate held in place by button in trigger guard bow. Rear portion of floorplate is engraved “A. F. S. C”. Rigby number is stamped in trigger guard bow. Relatively plain European walnut steel trap capped pistol grip buttstock (spare front sight in trap) measures 15″ over serrated steel buttplate with trap. Trap contains pull through cleaning kit. Stock features classic Rigby styling with flat top point pattern checkering with mullered borders, deeply chamfered ejection port, short forend without contrasting tip, and a sling eye on toe line. Drop at heel: approx 3-1/8″, drop at comb: approx 1-3/4″. Weight: 8 lbs 12 oz. LOP: 15″. PROVENANCE: Rigby historian confirms Rigby # 5626 (Mauser 100952)as a “Sporting Magnum” for A.F.B. Clarke, 22 June 1937, .350m with 24″ bbl and 15 1/16″ LOP and engraved floorplate. Richard Schreiber Collection. CONDITION: Excellent. Metal parts retain 70 – 80% of their orig thin factory blue, most loss on floorplate which is lightly freckled and cleaned. Stock retains nearly all of its orig rubbed oil finish, grain open and slightly raised, with a number of light marks, and a few a bit heavier. Checkering is very lightly worn. There is a slight compression and crack in wood at rear of action tang. Bore is exceptional, bright, sharp, and shiny throughout. Action is smooth. Possibly one of the finest examples of this classic rifle extant. Most have been converted to .375 H&H. 4-45901 (6,000-9,000) – Lot 2489