Judging by her surprise, he'd guess the circumstances surrounding the spilled coffee weren't a trick of the eye. A ghost here in this store? He'd think it a surprise, but they do seem to love their antiques in his experience.

"Eames," he offers with a smile, pretending not to note the surprise, "see anything you like?" And he gestures to the lamp she'd been looking at before, alongside a few other things that are pretty, though probably useless if he could tell what they actually were.