This was my first GenCon and I turned in a deck that was left on the table.  I was hoping to find out if they got their deck back.  The player came over to watch my vintage match and set his deck box (clear box with grey looking sleeves) next to the table numbers.  When my match finished he just got up and walked away. My opponent got up and I saw the deck was still sitting by the table number. I called a judge and walked with him to the event reg booth to ensure the judge just didn't snag it.  From there, I never heard if they deck made it back to its owner. If anyone knows, please let me know.  (Even with all that good karma, i went 4-4 in my first sanctioned vintage tournament.)