24 Journal of the Asiatic Society of Bengal. [N ‘pee. 6° 9 & 
tanka by their weight, and from the numbers which have been 
found it is manifest that smal] change was restricted mainly to 
e 
is we should expect a copper 
0 such coin is to be found, 
1S succes It is unsafe per aps to assert that it never 
existed in earlier days, for even the well-worked field of the 
weg kings of Delhi still conti Ss to provide the 
an 
consequently the silver element would be hardly perceptible. 
’ Therefore either the jaitil was a mere money of account or 
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amounting to a paltry 16 ratis, 
ith the heavy Copper of Firdz Shah, a coin of great 
rarity, we get a coin of at least 140 grains. Now a 140 grain 
or 80-rati copper represents ;; of the silver ’adala of 140 
grain tanka. It would be very convenient to assume a jaitil 
of this weight, for this would not only enable us to place as 
jeitils the coppers of Muhammad bin Firdz, Mahmad bin 
Muhammad and Sikandar (Nos. 266, 274 and 278), but also 
to find half-jaitils in the well-known coppers of Ghiasu-d-din 
Balban,  Mu‘izzu-d-din Kaiqubad, Jalalu-d-din Firoz, 
coins which in some Instances weigh as much as 165 grains, 
while the coppers of Mubarak (No. 288) actually run to 172 
grains and their halves bear out the same conclusion. 
