Yes Nepalese or possibly North Indian, Darjeeling?  That is a big one.  Are those squares 1"?  The shape is ever-so slightly similar to that of Khyber knives and other knives from the region.  Only a few weeks ago we were shown military Khyber knives with the same sort of guard.
Except Darjeeling is far away from the Khyber region 

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