Although I have covered the subject at #51 I will place the main detail again since \I think we have a clear idea where this weapon comes from viz;
(The additional sword above is very interesting although I cannot be certain if the blade is European or an old Indian blade ground down? It is a fascinating development.)
Considering the previous posts I think the form is probably Deccani but similar forms developed or were influenced further north and variants based on a generally Bukharan style may be found in a greater area in Central Asia.
The origin of form, however, I think is placed at post #51 and on the reference
http://www.ashokaarts.com/shop/rare-...om-vijayanagar a Deccani weapon Quote "An unusual and rare form of South Indian sword from the Vijayanagar Empire Karnataka".Unquote.
Pictures below.
