is this an axe head or a scraper? maybe a tooth?

[ohiowhiteguy]

anyone know? and how old is the axehead i found these in southwest ohio.
thx. owg.

 

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[flinthunter]

The piece in the top pictures is a full groove axe. These cover a long time period and could date several hundred to 8,000 years in age. The bottom pictures look like a naturally formed rock to me, not an artifact.