ULTRA RARE THESE PHOTOS DO NOT DO THIS GUN JUSTICE A. D. Bieber (often associated with Kronach) is a renowned German gunsmith known for crafting high-quality, intricately engraved Martini action Schutzen rifles, often in 8.15x46R caliber. These antique firearms from the late 19th/early 20th century are prized for their exceptional craftsmanship, target accuracy, and detailed relief carvings. Morphy Auctions Morphy Auctions +4 A.D. Bieber/Kessler Connection: These rifles are sometimes associated with Kessler, as seen in "Kessler Bieber" marked Martini target rifles (e.g., SN 6906) featuring 29-1/2 inch barrels. Design Features: Bieber Schutzen rifles typically feature the characteristic hooked buttplate, palm rest, and specialized trigger sets designed for off-hand, high-precision shooting. Auction Value: Due to their rarity and craftsmanship, high-relief engraved examples can sell at auctions for over $7,500. Context: These were precision targeting rifles designed for the traditional German Schutzen movement, which brought these styles to North America in the 19th century