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			Thank you all Gentleman, for your input.I guess i am now reconsidering Gene's first hint.
 Indeed if no evidence shows up to prove otherwise, it is quite plausible that this is a handmade throwing knife blade assuming, as suggested by Broadaxe, that its large dimensions were meant for public show, such as in a circus.
 This is quite a different approach as it would explain the difference between those elegant stylized factory made blades and this rather sturdy and irregular example
 Fernando
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