Keep or not?

[clf_02]

I have never kept rocks like this. I have always believed they were a fossil of some type. But I have been told they were a little paint bowl or something. So keep these or not?

 

[Neanderthal]

Looks completely natural, if you like it...keep it.

 

[clf_02]

Neanderthal can you look at my other post and give opinions please.

 

[SOHIO]

I would throw that in the river that is not altered by man or indians