RARE WWII Russian Anti Tank 4.5cm Shell & Projectile

This is a rare WWII Russian Anti Tank 4.5cm Shell & Projectile.  It was fired from the M1937 gun. The shell case dates to 1938. All parts bear Russian ordnance stamps and markings. During operation Babarossa the German's captured quantities of the M1937 guns and re-designated them as the 4.5cm Pak 184/1 (r).