I obtained 3 pair of the Air Mags from the ebay auctions back in 2011. I have had these in climate controlled storage since that time. Only 1 of the three outer boxes was ever opened but they have never been worn or even tried on. The other 2 pair still have the security tape on the outer boxes intact and they have the original UPS sticker that was a tie in to Back To The Future (Hill Valley, CA). My questions are this: what is the value of a pair of these? Does them being factory sealed in the outer shipping box add any value? What would be the best channel to sell them in your opinion? Thanks in advance for any information you can provide