Monti ID

[Bela N]

Sold to me as a JC's or CJ's Monti, but I can't remember which.

I glued the flat piece on its edge, that is not how it was growing. I think it is encrusting.

 

[Frick]

Maybe Montipora aequituberculata if it plates.
http://coral.aims.gov.au/factsheet.jsp?speciesCode=0245