Reverse Reverse die A. The leaf to the left of the shield above the acorn is wide, the aperture in the letter 'O' is large, the digit '4' is of medium size.
Obverse Obverse die 1.1. The letters 'USSR' are rounded. 5 stems in the left truncation, 3 stems in the right truncation. The USSR coat of arms features 11 ribbon turns (the number of republics in the USSR at that time).