Please identify anemone

[Bob Escher]

i got this guy on Sunday. I asked the guy what it was and neither my wife or I remembered it( it ended up not being the one we thought was on the sales sticker abd as we were talking he gave it to us for half price we like it

 

[tj w]

Maybe a LTA

 

[CFC_Surge]

I don't see any patterns on the underside like LTA's usually display, and this one looks to be stuck on a rock. Are you sure it's real?