SIKH EMPIRE: AE ¼ nanakshahi anna (7.25g), Amritsar, VS[18]97, KM-5, Herrli-01.31, Persian legends both sides, with the denomination on the reverse (pa ana nanak shahi), choice VF, R. Later finds have shown that there is only one denomination, weight 6.5-8.2g, not a paisa and half paisa as originally suggested.
Estimate: 100-150 USD