Formerly cleaned.
A more interesting example of an early 5-brand. The only vintage of the variety minted in Frankfurt.
Obverse: the ruler's head to the right, below it the mint mark C, in the rim the legend:
WILHELM DEUTSCHER KAISER KONIG V. PREUSSEN;
Reverse: eagle of the Reich, in the rim legend:
DEUTSCHES REICH 1877 5 MARK;
Gold .900, catalog weight 1.991 g.