Thank you Artzi,
Thank you Ariel,
So i see it is quite complex. I will be digesting your sugestions.
Toda raba

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I see your point Ward, in that it wouldn't be a religious allegory but, instead, the discreet engraving of the silver smith name. I have read somewhere that Hebrew smiths in Yemen (Temani) were allowed to craft janbiyya hilts but not the blades.
Fernando