He takes it and tilts it very slightly, to find a hint as to what's inside. "I see. They've been a good ally to quite a few faces, I've been learning! There's a stranger outside of Dirtmouth who nobody knew was there until recently, Jiji, but they've apparently met..." It rattles, so full of something small--Cornifer swings his bag from his back to the counter, bereft of most of his mapping supplies, and sets it in flat with the short letter under some of the rest to keep it from being shaken too badly.

"I'll be off, then?" he asks before putting it back on, a light prod in case there's more.