Yes, the card is legit. It is not a reprint. I worked in a store 11 years ago that had Pokemon league. These cards were leftover when the store quit participating in Pokemon league. The manager was going to throw all the leftover promos away. I asked if I could have them and he said yes. I have had these in boxes in my closet ever since.
After the auction ends, listia gives the winner the option of sending their shipping address to the seller. It is best to do this as soon as possible after the auction ends, so your item can be mailed promptly.