The Lissner Collection, Lot: 654. Estimate $2000. Sold for $4000. This amount does not include the buyer’s fee.

NETHERLANDS, Kingdom. William I. 1815-1840. Proof AR Gulden (30mm, 10.04 g, 6h). Utrecht mint; muntmeestertekens: torch and winged caduceus. Y.D.C. Suermondt, mintmaster. Dated 1820. KM 55; Cr 77; Schulman 260. In NGC encapsulation graded Proof 65 WINGS APPROVED. Superb even deep patina over full proof surfaces. Absolute gem. Only proof of this type graded. Extremely rare.