SIKH EMPIRE: AR nanakshahi rupee (11.11g), Amritsar, VS[18]82, KM-21.1, Herrli-01.10.04, VS1884 series, error date, either intended for VS1886 with retrograde "6" or VS1892 with the "9" inadvertently replaced by "8", bold EF, RR.
Estimate: 300- 400 USD