Vintage Nikon BC IV Pocket Flash Unit for Nikon S2 Nippon Kogaku w/ Case & Box

Vintage Nikon BC IV Pocket-Type Flash Unit, manufactured by Nippon Kogaku K.K., Tokyo, Japan, for use with the Nikon S2 rangefinder camera.  This is a particularly nice collectible set that includes the flash unit, its original fitted Nippon Kogaku Tokyo leather carrying case, and the scarce original Nikon box.  The flash features the classic folding reflector design and retains its original exposure/calculator dial. The back is marked “Ejector & Circuit Tester – Nippon Kogaku Tokyo – Japan.” The original box is marked “Model BC IV – Pocket-Type Flash Unit – For use with Nikon S2.”  Included:  Nikon / Nippon Kogaku BC IV pocket-type flash unit Original brown Nippon Kogaku Tokyo fitted case Original Nikon BC IV box  Condition: Vintage pre-owned condition with age-related cosmetic wear. The flash itself appears well preserved overall. The leather case shows wear, creasing and age consistent with use and storage. The original cardboard box has edge wear, scuffing, staining and other age-related wear. Please review all photos carefully for exact cosmetic condition.  Untested and being sold as a vintage collectible; functionality is not guaranteed.  A great original accessory for a Nikon S2 rangefinder collection and especially desirable with both its period case and original packaging.