William III, Prince of Orange, 1654, silver, 65mm., by Peter van Abeele, draped bust of the young prince three-quarters right wearing a flat cap with long feathers, within a border of orange leaves with fruit, rev. Minerva seated left instructing the infant prince (VL.II,376/1, Frederiks 4/4b), two cast plates joined by a rim, two ballast holes on edge at six and twelve o'clock, chased on obverse field, polished on obverse but extremely fine