In 1977, just as Star Wars was taking over the planet, a series of trading cards was released featuring characters and photos from the movie. Not all of them were grabs from the actual film, though. Some were just taken on set.
Like this one, of C-3PO. Which, you know. Looks a little weird.
Serious Star Wars fans may already know this, but if you don't, apparently this card, which is extremely rare, actually existed, and depicts the translator droid looking a little too pleased at the oil bath he's about to get on Luke's farm.
Card manufacturer Topps blames Lucasfilm. Lucasfilm says it's just a "trick of timing and light". Whoever is to blame, the card was later replaced with a modified version, though it appears you can still chance your arm and try getting one of the originals on eBay.
[via Laughing Squid]