CAMBAY: AR ½ rupee (5.72g), Khambayat, ND (before 1841), KM-, in the name of Shah Alam II, bold mint name, EF, RR. 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: 120-160 USD