SWAT VALLEY Style, CIRCA 7-8TH CENTURY
 
This figure is estimated from Sriwijaya dynasty around 7-8th century. The Sriwijaya Dynasty was a Buddhist thalassocratic empire based on the island of Sumatra, which influenced much of Southeast Asia from the 7th to the 11th century AD . The dynasty was known for its maritime trade and played a significant role in the spread of Buddhism throughout the region.
 
Reference
https://www.bonhams.com/auction/25789/lot/801/a-silver-inlaid-copper-alloy-figure-of-avalokitesvara-swat-valley-circa-7th-century/