Watch List notes:

India. Dehli Sultanate, Mahmud Shah (AH 644-664; 1246-1266 AD), Silver Tanka (2), 10.70 grams & 10.90 grams, 28.90mm & 27.04mm, Hadrat Dehli Mint, Fi ahd legend with caliph name al must'asim, legend within double square in circle. (G&G D137 & D138).