Watch List notes:

Germany, Friedrich III, Gold 20 Mark, 1888 A, Berlin Mint, Obv: the bust of the king facing right, legend "FRIEDRICH DEUTSCHER KAISER KÖNIG V. PREUSSENA" around the field, mint-mark "A" in the exergue, Rev: a crowned imperial Eagle with the coat-of-arms on the chest in the center, legend "DEUTSCHES REICH-1888" around, 20 MARK below, 8.0g, 22.45mm, (KM # 515), choice extremely fine, Rare.