GHAZNAVID: Ibrahim, 1059-1099, AR 'imadi double dirham (5.58g) (Ghazna), DM, A-T1638, bearing the same royal titulature as on the debased gold dinars struck AH480-484 (type A-1637.2), but with the word 'imadi instead of qami'i above the obverse field; new discovery and unique, VF, RRRR. This is the first known double dirham of Ibrahim.
Estimate: 200-250 USD