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There could be 13 faces

My phone screen is too tiny 😫

😂😂😂😂

Yes! 13 faces is correct.

12 faces and 4 shades of Gray (but the color is subjective)

Nope. There are 13 faces.

They are both the same color.
Put your finger over the shiny part.

Sorry if this was misleading. Just look at the top and bottom.

I love photo hunts like this. Thanks for posting

13 faces
nice one

Thanks!
I love optical illusions!

thats good.
:)