(en) F#136.2a) Rv.: crown on the eagle is 1.5mm wide (small) ; Obv.: foot line of '1' is curved, slash between A and M is near of M and nearly parallel
(en) F#146.10c) Rv.: space between 1 - 0 is 1.2mm, 'K' to the beginning of the star is 2.5mm ; Obv.: 1(1920) is exactly under the nook of the ornament, space between 1 9 2 0 is uniformly