If public forum has an honor token on it before Yaruma enters play, what happens to the token when the province is flipped face down?

It should be discarded as it has "left Play" (become a face down province) and if the province is later flipped face up again needs to be broken twice again.

by the way I suppose the honor comes from the general honor pool?

57 minutes ago, Yogo Rye X said:

by the way I suppose the honor comes from the general honor pool?

Yep.

At first I thought that honor would count towards victory, but the honor tokens must be in your pool for you to win he game.

On 11/23/2017 at 3:21 PM, Schmoozies said:

It should be discarded as it has "left Play" (become a face down province) and if the province is later flipped face up again needs to be broken twice again.

I'm not sure this is accurate. Province cards are never not "in play," but they have two different "in play" distinctions; faceup and facedown. Here's the relevant text from the RR:

Quote

The cards (generally characters and attachments) that a player controls in his or her play area (at home or participating in a conflict), a player’s stronghold card, a player’s faceup province cards, and all holdings on a player’s provinces are considered “in play.” A player’s facedown provinces are considered in play only as “facedown provinces,” and the ability text on such cards is not considered active until the card is revealed.

So while revealed/unrevealed is relevant to certain cards (Mirumoto's Fury, for instance), the province itself is never actually "out of play," and as things stand, I don't think it's clear whether flipping a faceup province back to facedown with Kitsuki Yaruma will actually reset the card memory and remove the honor token.

Well, apparently I'm wrong:
http://www.cardgamedb.com/forums/index.php?/topic/37944-ruling-kitsuki-yaruma-public-forum/

Although, in my defense, it's unclear enough that the RRG is getting an update because of it.