Triton XIX, Lot: 2598. Estimate $10000. Sold for $21500. This amount does not include the buyer’s fee.

MONTENEGRO, Kingdom. Nikola I. 1910-1918. Proof AV 100 Perpera (37mm, 34.00 g, 12h). Vienna mint. Dated 1910. Bare head right; olive branch below / Crowned and mantled crowned double-headed eagle with coat-of-arms on breast; all within wreath. KM 12; Friedberg 1. Proof, some light hairlines, scratch on obverse. Very rare.

From the collection of Dr. Lawrence A. Adams. Ex Pacific Coast Auctions (20 September 1985), lot 1657.