SIKH EMPIRE: AR gobindshahi rupee (11.04g), Mankera, VS1880, KM-72, Herrli-33.02.04, touch of weakness, VF to EF, RRR. Very rare mint, formerly misidentified as Malkerian, which was never located, but Mankera is now well-established as the correct reading of the mint name. It is located about 50 miles southeast of Dera Ismail Khan (=Derajat).
Estimate: 1000-1400 USD