Terengganu and Kelantan States Coins

The two east coast of Malaysia coastal states of Terengganu and Kelantan were once under Siamese domination and were returned back to the British in 1900 under Bangkok Treaty. They remained under Unfederated Malay States before Malaysia was formed.
1.  The first 4 state of Terengganu coins could not be determined what year they were minted probably 18 century
2.  The last one is Kelantan July 1880.