without overprint (Breslau, Frankfurt, Hamburg, Hanover, Königsberg, Munster, Stuttgart) |
three thin lines (Breslau, Munich) |
two thin bars (Munich) |
4,5 mm thick bar (Erfurt, Frankfurt, Königsberg, Munster) |
6 mm thick bar (Frankfurt) |
small numerals (Leipzig) |
big numerals (Stettin) |