Watch List notes:

INDIA, Colonial. British India. Bengal Presidency. 1651-1835. AV Mohur (23mm, 12.29 g, 8h). Murshidabad (Calcutta) mint. Dually dated AH 1184; RY 11 of Shah Alam II (AD 1770/1). Couplet in five lines; AH date in lower field / Mint formula and RY date; mint symbol to upper right. Pridmore 20; KM 764. VF, areas of roughness along edge. A possible sea-salvage coin.

For a similar example in this same state of preservation, see the David Fore Collection (Baldwin's 84, 25 September 2013), lot 1870