Those pictures are very hard to make out. Can you post anything larger and clearer? If not, posting the legend on the coin--if you can read it--might help give someone here a basid idea of country of origin.
Round brown things Seriously Rajamuda, welcome to the forum. There are a lot of people willing to help you, but you have to meet us part way, by posting pictures that show the item. The first step would be to closely crop the photo, which would automatically enlarge the apparent size.
I can actually make out the Vereenigde Oost-Indische Compagnie (VOC) symbol, which would make it one of these http://www.londoh.com/index-VOC.htm. The reverse looks consistent with the syle of these coins ... obviously a better picture would make it easier to tell.
"VOC" COIN OF DUTCH RULED INDONESIA. VALUE: 1 DUIT , 1/80 OF SILVER GUILDER OR 1/80 OF THE SILVER RUPIAH OF JAWA ISLAND. 18TH CENTURY. I HAVE TENS OF DUITS , INCLUDING MAJOR ERROR COINS.
Java was the most important island in the Netherlands Indies.It is still the most populous island,but more tourists go to Bali. Aidan.
