What is a good price for Correinte Texas Longhorse mixes?

Well, it all depends on their weight and age. Are you buying calves that have just been weaned or are they yearlings? If they are calves at weaning age (~5 to 6 months), then I would say that that is a good price for this breed. If they are older I would be looking for animals that are $100 more. But that's just me.