Watch List notes:

Qara Qoyunlu, Iskandar (823-841h), silver Tanka, Mardin, undated, 4.26g (SICA 9:1381 var.; A 2490B; W 2366 [plate coin]). Some peripheral weakness otherwise good very fine, very rare.

ex Khalifa Collection, Spink Auction 222, 26 March 2014, lot 286