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The Unit of Measurement and

Scales of Ottoman Coins

THIS ARTICLE IS PREPARED FOR THE BOOK "OTTOMAN COPPER COINS MINTED IN TIRA"

PUBLISHED BY NECDET KABAKLARLI

Page : 2

WRITTEN By : Necdet Kabaklarlı - Metin Erüreten

      “Since the Ottomans were under the sovereignty of the Ilhanlis and paid taxes, they obligatorily

followed the Ilhanli dirhem when they minted akches”. For this reason, Sultan Orhan had his

akches minted as 1,052g equaled to 6 karat which was a quarter of a miskal. As for this writer's opinion,

the weights of silver coins minted after Sultan Orhan Gazi was fixed considering rumi.

   Esteemed Tuncay Aykut transferred the following information about Tebriz dirhem: “Gazan essentially

considered Tebriz miskal which was 24 karat and 4,608g; half miskal, namely, 2,304g silver considered as 1 dirhem, and 6 times of it, namely, 3 miskal silver, was accepted as 1 silver dinar in currency reformation he adopted”. 100 “Moreover, the minting of the small coins which were half of dirhem and 1,152g, namely the weighing of half danak, started during the reign of Gazan Han”. “Tebriz miskal was a customary weighing unit and considered as 2 dirhem. However, it was considered as 1,5 dirhem in the Ottomans, in fact, this weighing unit of Trabzon miskal was also used in Istanbul”.78

   c- According to the third view put forward by Halil Sahillioglu; the Ottomans used Tebriz miskal

and dirhem in currency minting until 1650.101 Dr.Halil Inalcik agreed completely with H. Sahillioglu's

view and disagreed with the thesis put forward by Mustafa Akdag.45 Furthermore, Dr. Ozer Ergenc

published an article as if he supported this view.102 Dr. Omer Lutfi Barkan supported H. Sahillioglu's

view mentioned above in his published article103

OUR VIEW

   The aim of this article is to verify with examples and proofs that the Ottomans used Tebriz miskal and dirhem (Tebriz dirhem: 3,072 g. Tebriz miskali: 4,608 g) as currency unit when they minted golden, silver and copper coins until 1650 basing on the view stated by H.Sahillioglu, and after this date they applied again rumi dirhem as currency unit. We should remember that the Ottomans used rumi dirhem

scale in daily life, and preferred Tebriz miskal and dirhem only in minting coins.

   When verifying our view with examples; in Fatih rule books (Fatih last period), it was ordered that 400 akches would be cut off from 100 dirhem pure silver.6-105 (It is known that Fatih's last period akches dated 886 weigh 0.75g.) If we have a very simple calculation, 400 akches were cut off out of 100 dirhem (Tebrizi), namely, 307g silver; so we can find out that the weight of a Fatih akche (As it can be seen in

catalogues, the akches belonged to this period weighed around 0,75-1,76g) is about 307/400=0,76g. Considering the technological possibilities of that period, it is normal to assume that there could be mistakes of one or ten percents of a gram.

   Similarly, the rule said in Fatih rulebook that 129 Filori should have been cut off out of 100 miskal gold. (100 miskal (Tebrizi) equaled 460g /129 3,56g) The weights of Fatih sultanis appear with a limited mistake (These coins appear as 3,53-3,55g in the catalogues). If we calculate it by using Rumi miskal, it equals to 481 / 129 = 3,72g, in other words, Fatih sultanies never weighed that much.

   “Until 1470, without considering its size, akche which was used in all kinds of payment and whatever was its amount, it was a coin weighing 1,152g.” During the reign of Mehmed II, the weight of the akches was decreased 5 times in the amount of a wheat kernel (around 48mg). When akche weighed 1,182g in 1425, the weight of akches was 0,768g as a result of these scales in 1481. The changes in the weight of akche were as follows: 107

The changes of the weight of akche between 1326 and 1666

Years

100 Dirhem Akche

Weight of Akche

1326 266 1,152
1431 260 1,181
1460 330 0,931
1480 400 0,76
1492 420 0,731
1565 450 0,681
1586 800 0,384
1600 950 0,323
1618 1000 0,307
1624 1000 0,307
1640 1000 0,307
1659 1250 0,257
1666 1400 0,229
   

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