Reverse Die B, to the left of the shield the leaf above the acorn is narrow, the aperture in the letter 'O' is small, round, the digits in the date are narrow and spaced apart.
Obverse Die 1.11(N). The coordinate grid is unclear, 7 awns approach the bottom of the star's left ray, the letter 'R' is raised, different lettering of 'USSR' and details of the coat of arms design (compared to the circulation die). The USSR coat of arms has 16 ribbon turns (the number of republics in the USSR at that time). (novodel)