1918 - F#497.4 - 138 750 1918 - F#497.4a) Ø21.6 mm, Reverse: right star on one point, 1 in value starts below the middle of K. - 1918 - F#497.4b) like a), but Reverse: right star on two points, 1 in value starts beside KR - 1918 - F#497.4c) Ø22.2 mm, Reverse: right star on one point. - 1918 - F#497.4d) like c), but right star on two points -