CAMBAY: AR rupee (11.52g), Khambayat, ND (before 1841), KM-, in the name of Shah Alam II, clear mint name, iridescent toning, EF-AU, R. The ¼, ½, and 1 rupee of this type have never been included in KM, but one of the ¼, a few of the ½, and several of the full rupees are on CoinArchives.
Estimate: 140-180 USD