Russia
Catherine II gold 10 Roubles 1780-CПБ AU Details (Cleaned) NGC, St. Petersburg mint, KM-C79b, Fr-129b. Produced by a well-centered strike and exuding deep orange-gold tone. The lot includes a notary letter from the Commonwealth of Virginia, attesting to the fact that the coin was recovered from a wreck on Vanikoro Island, Solomon Islands, believed to be the wreck of the La Boussole, which went down in a storm in 1788.
https://coins.ha.com/itm/russia/russia-catherine-ii-gold-10-roubles-1780-cand-1055-and-1041-au-details-cleaned-ngc-/a/3098-34312.s?type=DA-DMC-CoinArchives-WorldCoins-3098-01182022
HID02906262019
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Estimate: 1600-2400 USD