Watch List notes:

SINKIANG: Ya'qub Beg, 1865-1877, AV tilla (3.52g), Kashgar, AH1292//1293, Cr-37-2.3. A-M3090.2, NS-E13a, in the name of the Ottoman sultan 'Abd al-'Aziz (1861-1876), lovely strike, appears to be of the same dies as the SCWC illustrated example (drawing), trace of mount on the edge (barely noticeable in the photo), EF, RR, ex Dick Nauta Collection. The die engraver omitted the final digit of the date on the obverse!

Estimate: 1,600-2,000 USD