Aut cum scuto aut in scuto
It does take a practiced eye to find something like that.
Judging by that left thumb though he needs a little more practice with that 8 pounder. Oops. Got to admit, my own left thumb has looked like that many times. I think my left hand thinks that my right hand is a psychotic killer.
Ammonites. I think that might be the U.K., Wales maybe. I've seen some big ammonites coming from that area, diameters measured in feet.
there are Ammonites in the US at Pueblo reservoir on the Arkansas River, Pueblo CO. now at five+ thousand feet altitude, used to be a sea bed. Exposed on the surface. the geology there is interesting.