1919 - F# 502.5A, also Brass-Plated - 1919 - F#502.5Aa) Reverse: slash of 1 starts beside first leg of N - 1919 - F#502.5Ab) Reverse: slash of 1 starts beside last leg of N, 1 - 0 is 1.0 mm, 1 is 10.0 mm high, natural iron surface. - 1919 - F#502.5Ac) like b), but 1 is 9.5 mm high, brass-plated - 1919 - F#502.5Ad) like b), but 1 - 0 is 1.5 mm, 1919 is 10.0 mm wide, brass-plated - 1919 - F#502.5Ae) like b), but 1 - 0 is 1.8 mm, 1919 is 11.0 mm wide. Obverse: second T from STADT beside crown ripe, brass-plated. - 1919 - F#502.5Af) like e), but T under crown ripe - 1919 - F#502.5Ag) like e), but 1 - 0 is 1.5 mm -