Watch List notes:

SULTANS OF DELHI, Nasir al-din Mahmud, (A.H. 644-664, A.D. 1246-1266), gold tanka, Hadrat Dehli Mint, (11.00 g), A.H.662 (1263-1264), (G&G D135). Very fine and very scarce.

Ex Dr V.J.A. Flynn Collection and Baldwin's Auction Sale 53, 25 September 2007, (lot 1566).