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|  28th January 2021, 06:24 PM | #9 | 
| (deceased) Join Date: Dec 2004 Location: Portugal 
					Posts: 9,694
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			I don't recall anyone establishing their precise purpose. I would take it as a decoration, maybe sometimes with a mystic intent, but not a smith mark or 'signature'. You can see them in weapons as early as from the XVI century (if not earlier); sometimes added to other symbols but so often alone. You can see them also in number of four. Maybe more knowledge members know more about this suject. | 
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