The Lissner Collection, Lot: 655. Estimate $2500. Sold for $4000. This amount does not include the buyer’s fee.

NETHERLANDS, Kingdom. William I. 1815-1840. Proof AR Gulden (28mm, 10.04 g, 6h). Utrecht mint; muntmeestertekens: lis and winged caduceus. P.C.G. Poelman, mintmaster. Dated 1840. KM 65; Cr 80. In NGC encapsulation graded Proof 66. Superbly iridescent deep toning over choice fully proof surfaces. Only certified proof of this one year type. Extremely rare.