Thanks for the Report those are some fine trophies that the two of you took, Congrats!
I'm with Steve. Euphorbia Your pick after that: 1. Confinalis 2. Cooperi 3. Evansii
Looks like Euphorbia to me but impossible to say if it Ingens or other from that pic. I have a buddy who's a real fundi on succulents so will ask him to check this thread out.
Ha! I finally gave up on the insert image function and just copied and pasted the link directly here.