How old is the kora, as a type?

[Ian]

Originally Posted by spiral

... Heres a photo of Bag Bharirav temple in Kirtipur that was eventualy sacked by the Gurkhas in 1769 with many of the weapons siezed from the Kathmando defenders.{the Gorkhas had already siezed Kathamando proper by that time.}nailed around the sides at a hieght of probably around 40 ft.

Spiral:

Have the weapons shown in the picture of the temple been exposed to the elements in the manner shown since 1769? If so, they are remarkably well preserved for such treatment.

Ian.