1919 - F#502.6A, mostly brass-plated - 1919 - F#502.6Aa) Obverse: Eagle`s beak is 0.7 mm below the transom, transom is 1.0 mm thick, S of SINSIG extends to the height of the transom - 1919 - F#502.6Ab) Obverse: Eagle`s beak is 0.3 mm below the transom, transom is 1.2 mm thick, S of SINSIG below the transom - 1919 - F#502.6Ac) Obverse: Eagle`s beak touches transom, transom is 1.5 mm thick -