SIKH EMPIRE: AR nanakshahi rupee (11.01g), unidentified mint, VS1889, KM--, Herrli-32.01.04, superb bold strike, one testmark, EF, RR. The mint is listed by Herrli as "Unidentified Sikh mint E." It has tentatively been read as Sitamachi or Sitamaji, but that name does not match any known location. The type was first reported in 2001, from a small group of perhaps 10-15 pieces allegedly found in Pakistan.
Estimate: 400-500 USD