SIKH EMPIRE: AR gobindshahi rupee (10.94g), Amritsar, VS1842 // AH120x, KM-A20.2, Herrli-01.18.04, with the Arabic word thani ("second") below reverse field, and sana & the the Hijri year 120x (probably 1200) above the obverse, EF, R.
Estimate: 150-200 USD