Watch List notes:

The Collection of British Colonial Coins formed by the late John Roberts-Lewis

Ceylon, George IV, Proclamation of 1823, One and One-Third Rix Dollar, an EIC Madras Arkat Rupee, obv. countermarked with incuse crown, 11.68g/12h (Prid. 24; KM. 86). Good very fine and toned, rare £600-£800