India (Madras Presidency), Arkot mint, 1 rupee, regnal year 6 (frozen date / ca. 1759-82), open lotus mintmark. KM-384. 11.51 grams. Bold AU with toned fields, minimal surface pitting, rare provenance. With original (generic) certificate from the salvagers.Recovered from: Grosvenor, sunk in 1782 off South Africa
($350-$500)