The Lissner Collection, Lot: 720. Estimate $1000. Sold for $4250. This amount does not include the buyer’s fee.

NETHERLANDS, Kingdom. Trade coinage. Proof AV Ducat (20mm, 3.50 g, 12h). Utrecht mint; muntmeestertekens: seahorse and winged caduceus. Dr. C. Hoitsema, mintmaster. Dated 1920. KM 83.1; Y 15; Schulman 771. In NGC encapsulation graded Proof 66 Cameo WINGS APPROVED. Superb gem proof and the only coin of this date ever graded. Extremely rare in proof.