When is an eminent province is revealed to an opponent?

Do both players see eminent provinces during setup? Or are they revealed on game start after setup?

This could influence mulligans.

Just now, Bayushi Shunsuke said:

When is an eminent province is revealed to an opponent?

Do both players see eminent provinces during setup? Or are they revealed on game start after setup?

This could influence mulligans.

Eminent provinces are faceup during setup, and both players can see what they are while taking their mulligans.

[Tyler Parrott, Mar 6 2020]