Unused salesman sample pearl Champagne knife. Mint. 1880’s, F. Herder, Germany. Completely original

Pristine mint unsharpened never carried salesman sample pearl champagne knife 1880's. Pocket bar knife German made by F. Herder. Circa 1870’s-1880's.
The end bolsters are cast German silver in a birds head shape with as unusual bullseye configuration for the blade pins. Overall, this large 4 bladed pocketknife length is 3 3/4” closed. This knife is handmade, hand forged, hand ground, hand tempered, hand fitted and hand polished by the Master Cutlers and made as a Salesman’s sample as seen on the main blade. The Master spear point blade is 2 7/8" long and is hot stamped, "cross keys" trademark, "F. HERDER a Sn" in a straight-line pattern, and Solingen in a 3-line stamp. The pen blade is stamped, "cross keys" trademark, "F. HERDER a Sn", Solingen in a 3 straight line stamping. The small curved blade is a champagne foil removing blade with a saw cut edge grind from both sides and a sharp point. The old-style hand forged corkscrew with an outer groove is held in place by a pin through a pair of curved Birdseye ends of a pair of cast German silver mid-bolsters. These bolsters are pinned through a hole that is drilled through the back of both back springs. This corkscrew has a very strong spring that shares both back springs. The 3 liners are brass, with the middle liner being milled with small diagonal lines. The select, exhibition quality Mother of Pearl scales have iridescence with no surface scratches caused by typical pocket wear as this is a Salesman sample that was never used or carried. The pearl scales are perfect, and each is secured by 2 tiny German silver pins. This knife came out of a late 1800's factory salesman collection, is in as new condition. The entire knife is pristine mint, including the 4 blades that have all of the original factory high polish finish. The knife blades are tight as new, and the entire knife looks as though it was made yesterday. FRIEDR. HERDER ABR. SOHN is the earliest German Cutlery Co. recorded, beginning in 1632. They were very active in the late 1870's - 1880’s. Some knives have no inked blade marking, but this one has traces of the orginial factory pattern handwritten on the master blade in red ink. USA SALE ONLY.