This Winchester-Western manufactured white cardboard box with a black and white label contains all 50 rounds of 22 Short Action Proving Dummy Cartridges with black cases and copper washed bullets and is in near excellent condition with light wear and dirt smudging. The left end flap is factory rubber stamped ".22 SHORT". The casings display the "SU-1" headstamp.
Date of Manufacture: Unknown
Note: This box is similar to the Huegel # WW-3 S-1.1 variation. The difference observed is that this box is factory rubber stamped ".22 SHORT" on the left end flap as opposed to on the top of the box.