Delhi Sultanate, Tughluqs, Muhammad bin Tughluq ( AH 725-752/1325-1351 AD), Billon Tanka(A coin of 32 Rati), 1/2 Tanka, coins struck in the names of the ‘abbasid caliphs’, within quatrefoil; Calipj ‘s titles spread over both the sides, ahmad at the top, (G&G# D448 & D450). Set of two different denominations, 3.5g, 9.1g, 14.13mm, 16.84mm, extremely fine, Scarce.