Found about 4 feet apart in an old park?

[Shark27]

Found these about 4 feet apart in an old park. They are made of iron and are the same shape and size with two vertical notches in the center. I was thinking possible pieces to an old farming machine, any help would be appreciated?

Shark27

 

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[DirtyMike]

They are the bottoms to metal fence post

 

[Shark27]

Thanks DirtyMike! You nailed it!

Shark27