1950's Katsuma Binoculars w/Leather Case - Condor Lens - 12x50 Field 5.5deg

Late 1950's(?) Katsuma (KOC) Binoculars. Comes with Leather Case w/broken hinge on back and Import Inspection Sticker no. 460474Y (see photos).

Made in JapanCondor Coated Lens12 x 50Field 5.5degSerial No. 18347No JB code found, but my research says JB2 or JB 2I'm not a binocular person, so this is all based on what I see or was told by Google. You can ask questions, but I probably won't be able to...