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					Originally Posted by CutlassCollector
					
				 Mine has a mark that may help clarify, although it is not clear. It appears to be an inverted T shape, possibly a cross + with the lower part missing. This is overwritten by an X shaped cross in a circle and there is also another X on the blade to the right in the picture. I think these are de-commissioned, sold out of service marks similar to the British opposing broad arrow -><- which indicated the same.Although I am not certain so any comments appreciated. CC
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 Yes, it's a Swedish naval 'taken out of service' mark, the crossed circle.
Do you have up-close photos of the American axe head?