I recently won these from Heritae /Europe Auction AV Massa ND/ NM (Sandalwood Flower) AV 1/2 Massa ND/ NM (Sandalwood Flower) AV 1/4 Massa (Kupang) ND/ NM (Cross)
I think they're some of the first instances of native coinage from South East Asia. Here's my only coin from the region. 1 Massa Piloncito 2.44g Gold Incused Lingam with Nagari legend 'Tha' on the reverse. Circa late 8th century From Mataram/Medang Kingdom of central Java ruled by the Sailendra dynasty, they develpoed the Hindu/Buddhist culture in the Southeast Asia, they also intermarried with the Sri Vijayans of Sumatra (whom would be later invaded by the Cholas in the 11th century).