Sentence:  The Samarkand <WSD>tangas</WSD> were initially 916 carats, and then rose to 960 carats. Lower-carat <WSD>tangas</WSD> were issued in Balkh (875 carats, 916 carats) and in Tashkent. Nevertheless, even the <WSD>tangas</WSD> issued under Iskandar Khan are referred to in documentary sources as 'pure'. 
Meaning of the word marked with <WSD> tags:  Any of various former Asian coins, including: a coin of Portuguese India equal to 1/10th of a Rupee, a gold coin of India issued by various Muslim rulers, a silver coin of India, also issued by Muslim rulers, a former silver coin of Tibet.