Everyone knows the Empire Strikes Back, but did you know the Empire Strikes Coins? Ok, that may be stretching the truth a bit. While the Galactic Empire didn’t actually strike these coins, they are legal-tender proof coins officially licensed by Lucasfilm Ltd. depicting everyone’s favorite villain, Darth Vader. With a new Star Wars film, Star Wars Episode VII: The Force Awakens, set for release Dec.18th, a new Darth Vader One-Ounce Gold Proof is the first in an exciting new legal-tender…