German States, Preußen (Prussia, Kingdom). Friedrich Wilhelm III AR 2 Mark. Berlin mint, 1888A. FRIEDRICH DEUTSCHER KAISER KÖNIG V. PREUSSEN, bare head to right; A (mintmark) below / DEUTSCHES REICH date, imperial eagle, crown above, ★ denomination ★ below. KM 510.
NGC graded MS 65 (#5947038-012).
From a private UK collection.