1919 - F#508.4 g) like f) but open section of G is closed - 1919 - F#508.4, also nickel or brass plated - 903 059 1919 - F#508.4a) all versions from a-e have natural or nickel plated surface. Obverse: F in PFENNIG without serif on the top line - 1919 - F#508.4b) like a) but `F` with serif 0.7 mm long ; Reverse: edge bead around the coat of arms is 0.5 mm or 1.0 mm wide - 1919 - F#508.4c) like a) but `F` serif is less pronounced, L from SOLINGEN pivots to the left, space between (STAD)T - S(OLINGEN) is 1.6 mm, 1919 is 5.5 mm wide. (Rem.: the down-hook is hard to see) - 1919 - F#508.4d) like c) but space between T - S is 1.2 mm, 1919 is 6.0 mm wide - 1919 - F#508.4e) like d) but L from SOLINGEN is vertical - 1919 - F#508.4f) all version from f to j have surface brass plated. Reverse: edge bead Ø 19.0 mm, Obverse: open section of G in PFENNIG is open - 1919 - F#508.4h) like f) but edge bead Ø is 20.0 mm ; Obverse: serif on top line of F is vertical, open section of G is open - 1919 - F#508.4i) like h) but open section of G in nearly closed - 1919 - F#508.4j) like h) but serif of F is not vertical -