Great Britain
Victoria gold Proof Sovereign 1839, S-3852, KM736.1, WR-302 (R4), 1st Young Head, "W.W." raised, plain edge, medal-rotation die alignment, PR63 Ultra Cameo NGC, a perfect crisp impression from the dies, the queen's portrait frosted and in stark contrast to the surrounding mirror-like field showing light hairlines and some contact ticks, the reverse just about perfect, with luxurious gold toning.
Estimate: 9000-12000 USD