1918 - F#400.2 - 1918 - F#400.2a) Reverse: left star based on 2 points and right star based on one point, space between stem of D and 1(918) is 2.5 mm, planchet is 1.4 mm up to 1.8 mm thick - 1918 - F#400.2b) Reverse: both stars based on 2 points, space between stem of D and 1(918) is 3.0 mm, planchet is 1.7 mm up to 1.9 mm thick -