Fey Foundling - mark of the First World

[Chosen of Desna]

Hi all,
I have a question regarding the fluff text of the Fey Foundling feat (from ISWG). The fluff text says "you were found in the wilds as a child, bearing a mark of the First World". What could a mark of the First World be? Could it be a kind of birthmark, a tattoo, some unusual hair colour, just about anything? Is there an official statement in Paizo literature on this? Any cool ideas what it could be?
Thanks for your help.

[kyrt-ryder]

I'm pretty sure Fey Foundling itself [your superior assimilation of healing magic] IS the 'mark of the First World.' It's a metaphorical mark not a visual one.

[calicokat]

I think they left that one intentionally vague and up to role-player discretion.

I'd approach it like designing an Aasimar or Tiefling, etc. A carte blanche to give your character a physical 'upgrade' with no mechanical effect.

Looking at gnomes, unusual hair (and skin color) is definitely a 'mark of the First World.'

I like the idea of eyes that constantly change color -- the girl, or boy, with kaleidoscope eyes.