I won't ever breed them, I don't know if I will even keep them, I'm getting the in a trade.
I don't doubt however, that they are what they are supposed to be since they are coming from a respected dealer.
I don't know Your dealer but I know that maybe NOONE among scientists can told You for sure the stable difference between B. "vagans-groups" tarantulas: vagans; sabulosum; angustum; epicureanum.
So, what to told about the "dealer".