Yamps
Deity
Right, I've been seeing these things a lot and I finally got fed up with this:
Iron to Montezuma for Corn, along with Ivory for Incence.
So, is this a bug or a feature, AI willing to sell strategic resources cheaply to other AI but not to the human player?
This is in 3.17, but I don't think that 3.19 has addressed this issue.
Iron to Montezuma for Corn, along with Ivory for Incence.

This is in 3.17, but I don't think that 3.19 has addressed this issue.