German M 1884/98 cavalry bayonet frog. RBNr.! (AC310)
German made K98 cavalry bayonet frog. Excellent+ dark brown thick supple leather cavalry bayonet frog for all WW2 M 84/98 models. 4 alloy rivets and central stitching. All stitching intact. Retaining strap with brass stud. Reverse side is hard to read marked: RB Nr 0/0485/000? (= Reichsbetriebnummer=State Factory Numbers)
Excellent example described by Anthony Carter; Item AC310. Also see Roy Williams new book: A collectors guide to German Bayonets frogs. Page 264 and further on.
A very nice example.