Hi, I do not know much about these weapons but it looks like a general talwar which could come from anywhere N.S.E.W in the India subcontinent. I love that, found in a barn, we get it in the UK to, sometimes the most extraordinary alien weapons and often not very old, just in really bad condition. Saying that it looks not bad, shame there is no scabbard, I have yet to find one that will open my wallet, I am a Meany though
. Tim