Its certainly an interesting thing Paolo, is it a weapon?
How long is is?
I think that your etching looks great as it has 'evened out' the colour of the steel.
There must be metal specialists on this BB who can offer a more informed analysis than mine?
Hopefully some other board members will have similar examples which can be compared.
Alternatively can you research the construction techniques on the net to get some clues as to how the metal is forged etc?
P.S. Thanks, the blade is a Bhuj.
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