That'll work until it doesn't...
Yes, even though there are boatloads of cheap Spiderman reprints already out there and even though true originals only sell for $75 or so, perhaps some not-very-bright bootlegger will spend mucho time, energy, and money to create perfect double-sided repros with a lighter/whiter reverse - which no bootlegger has ever done before - and eke out a tiny profit before being caught.
Of course, the Loch Ness monster could rise from the Potomac tomorrow....
Was Jeannie that pretty woman in the snow with the wolf in CO? Big into Star Wars?
Somehow Jeannie managed to watch Star Wars Revenge of the Sith 19 (NINETEEN) times but never managed to find a couple of hours to put together the much-promised Star Wars prequels authentication (e.g. this version is watermarked, this version is not....)