GERMANY - ALLEMAGNE Prussia, Frederick III (1888). Proof of 5 (fünf) mark in gilt copper 1888, A, Berlin. Av. FRIEDRICH DEUTSCHER KAISER KÖNIG V. PREUSSEN. Nude head right; below (workshop). Rv. DEUTSCHES REICH (date) / * FÜNF MARK *. Eagle displayed and crowned, with shield in heart. KM - (cf. Pn25 pewter); Gilt copper - 23.43 g - 38 mm - 12 h With smooth edge: type test on gilt copper blank. Traces of brushing. Superb.