Cornelius Tromp, naval action, 1666, silver, 79mm., by O. Muller, draped bust of Cornelius Tromp three-quarters right with long hair flowing over shoulders wearing a lace cravat, doublet and broad scarf across chest, two Tritons holding laurel wreath above, trophies of arms at his shoulders, all set on a stippled field, rev. view of a naval engagement, ship sinking in foreground, composed of two cast iron plates joined together, ballast hole on edge (MI i 524/172, VL II,550), polished otherwise nearly extremely fine, rare