Watch List notes:

TIMURID: 'Ala al-Dawla, 1447, AR tanka (5.15g), Sabzawar, ND/DM, A-2410, with additional title khaqan, mint name at bottom of obverse, sufficiently clear, date in upper left corner of obverse, VF, RRR, ex Ruud Schüttenhelm collection. This is first full tanka of Sabzawar of this ruler I've encountered, formally known to me only for the ¼ tanka, A-2411). With beh bud countermark of Sultan Husayn (A-2437).

Estimate: 175-225 USD