not all had the ever so common notched out V in the head , i'm referring more to the traditionally shaped style to the hatchet itself and they are known as shingling hatchets . true they may have been traded with indians (most anything was as some point ) , indians didn't use nails in the normal sense as the colonials so they didn't really need a hatchet with a hammer head on it . this info on early native indians has come to me from a few different reliable sources , nails were used more as drills , to poke through leather or other soft material or even to make fish hooks but they did not use them like they were intended by the blacksmith who made them . after all they didn't nail their huts or wigwams together
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heres another site that shows some axes scroll down and you'll see your type (no V-notch) thats clearly labeled as 18th century shingling hatchet.
http://www.fs.fed.us/eng/pubs/htmlpu...823/page02.htm
Dan