This Winchester-Western Division manufactured yellow, red and blue cardboard box contains all 50 rounds of 40 grain lead Super-Match Mark II 22 LR ammunition and is in near excellent condition with light shelf wear. The bottom of the box says "Rim-fire cartridges, loaded with smokeless powder, non-corrosive priming and 40 grain lead greased bullets. Adapted to standard arms chambered for the 22 Long Rifle cartridge. MADE IN U. S. A.  TRADE-MARKS REGISTERED IN U. S. PATENT OFFICE.  MARCA REGISTRADA. / WESTERN CARTRIDGE COMPANY, East Alton, Ill., U. S. A. / Division of Olin Industries Inc.".