Reverse Die B, small, round gap in the letter 'O', small digit 5 in the date, narrow end of the leaf to the left of the shield.
Obverse Die 1.1. Rounded letters 'USSR', 5 stems in the left cut and 3 in the right, oblong, flattened grains on the ears, USSR coat of arms with 11 ribbon turns (the number of republics in the USSR at that time).