This rifle appears to be a Haenel System Aydt rifle custom built in one of the smaller German shops. It has elaborate hunting scenes on the sides of the action, "ORIGINAL SYSTEM-AYDT" in gold inlay on the top of the receiver, "SYST/AYDT" on the left side of the breechblock, crown "B" and "U" proofs on the right side of the action and breech, additional "S" stamp over the proofs on the breechblock, a blank panel and band of engraving on the breech section of the barrel, fine post front sight with winged and ramped base, quarter rib for sight mounting, the serial number and "37" on the bottom of the barrel and face of the action, additional bore measurements and proofs on the underside of the barrel, a peep sight with large eyepiece fitted in the integral base on the receiver, patch of checkering at the tail of the Schnabel forearm, and an extra large Tyrolean buttstock carved accents along the border of the checkering, a thumb rest, and a casehardened single hook buttplate.