Guess Uighur can be spelt as Uyghur or East Turkestan
Finally found a coin that I like. This is a rather unusual coin that lasted less than one year, hence difficult to find in nicer conditions. If I am not wrong, there is part in Xinjiang that tried to declare independence because of the heavy Muslim population. This area is near the border of Uzbekistan, Tajikistan, Kazakhstan. More info can be found here:
http://en.wikipedia.org/wiki/East_Turkestan
Note that the text is written in Chinese and arabic. This failed 'state' issued coins in two denominations, one being 20 cash and the other 10 cash.

All the coins that I have suggest that they were overstruck - this one is overstruck over 10 cash coin like this one:

Needless to say, these coins were not very popular with the general Chinese population and were culled or probably extermined immediately by the Communist Chinese party as they will never tolerate any provinces or cities declaring independency.
I do have two other 10 cash coins but they are been in olive oil for more than one year due to the extent of corrosion. I should put these two coins shown under conservation.