Peru
Ferdinand VI gold cob 8 Escudos 1749 L-R, Lima mint, KM47, Onza-563 ("Rare"), AU53 NGC. See-salvaged, with dull toning albeit with little actual wear, and not unattractive. Clear 1749/8 overdate, rated as rare in the Onza book. Most probably from the "Luz" shipwreck.
Estimate: 4000-5000 USD