Marked 'Zeller-Paderborn'. Appears to be a 9.5 x 47R Caliber. This is a very finely done German stalking rifle featuring delicate vine and scroll engraving on the receiver, 29 full octagon bbl with a key adjustable Windage front sight, typical buckhorn rear sight and a nicely made replacement tang sight. One piece walnut stock is in exc cond with sharp checkering, cheekpiece, sling swivels. Double set triggers, elaborately done Schuetzen style triggerguard, fine bore. Overall gun is in very nice cond with 75% orig blue which is toning and starting to turn slightly brown. receiver retains case colors in the protected areas which are turning a dark nickelly coloration. Scarce little gun in very near exc cond inside and out.