Originally posted by The Wizard of Oz
What if you see a lady with gentle brown eyes, but that's not the Lunar's true form? And then you see the wolf with the same eyes? I see no problem with the concept that someone could draw a link between them, but the rules in the Core book say you need to be "Aware of a unique tell or physical give-away that the Lunar possesses in his *true human form*"
Once you spot it in on shape, you can spot it in another.