Pottery bowl identification help needed

[icedgold10]

I got this bowl today and it is interesting looking. It has a smiley face mark imprinted on it. Can anyone tell me anything at all about it? Is it an individual just making a statement or is it a maker's mark? Thank you.

 

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[shannonjunk]

Looks like a student or amateur mark to me. It is pretty neat though, isn't it