double rifle maybe 9,3x72R, SM 18092
https://historical.ha.com/itm/long-guns/...cription-071515

"Engraved W. Collath Double Barrel Rifle.
Serial no. 18092 [barrels and receiver], .36 caliber, 26 1/2-inch barrels with fixed front sight and rear elevation sight. Scope mounts. Blued finish. Top of barrels marked: WITTENER / EXCELSIOR. Elaborately scroll, floral and game scene engraved coin-finished receiver and tangs. Checkered walnut pistolgrip stock with cheekrest. Splinter fore-end. Sling swivels. Blue Line rubber recoil pad. Original brass museum inventory tag attached: J.M. DAVIS / 8409 / MEMORIAL.
Sold to Benefit The JM Davis Collection at the JM Davis Arms and Historical Museum."

single shot rifle "7,65mm", SN 17482

https://historical.ha.com/itm/long-guns/...cription-071515

"Engraved W. Collath Sporting Rifle with Telescopic Sight.
Serial no. 17482 [barrel and receiver], 7.65mm, 28-inch octagonal barrel with fixed front sight and rear folding leaf sight. Blued and case-hardened finish. Elaborately scroll engraved receiver. Dual triggers. Horn triggerguard. Checkered walnut pistolgrip stock and smooth fore-end. Sling swivels. Scroll engraved cartridge compartment to base of stock. Hard rubber butt. D.R.G.M. telescopic sight. Original brass museum inventory tag attached: J.M. DAVIS / 4767 / MEMORIAL.
Sold to Benefit The JM Davis Collection at the JM Davis Arms and Historical Museum."

Drilling W.Collath Söhne 16/65 +9,3x65R ; SN 18444
http://egun.de/market/item.php?id=7207720

Drilling W.Collath Söhne, 12/65 + 8x57R 360, SN 20494
http://egun.de/market/item.php?id=7209430