A ritual vessel, called ‘Kos’, of the Kafirs. 09.05.1738
Such bowls were used during religious ceremonies to pour concentrated butter on fire as a sacrificial offering to the numerous gods of the Kafirs, before their Islamisation. These sacrificial walnut vessels were formerly manufactured only in one valley in the southern Hindu Kush mountains, the Prasun valley, and then exported to other Kafir tribes living in different valleys.
Similar item on auction by Dorotheum Auction house estimation 880 - 1300 CHF.