WKC Factory Glass Calendar. This is one of the original WKC factory advertising calendars still in the original issue cardboard box. It depicts on the glass front, the two sword and one bayonet and WKC knight head logo. The calendar also has printed, "WKC Waffenfabrik Solingen-Wald" and is complete with movable dates and months. Limited quantity! Near MINT (7035) $575.@