Not my auction, obviously, and a bit out of my price range! But I thought this was pretty freakin' awesome:
https://www.regencystamps.com/LotDetail.aspx?lotid=286496&searchby=0&searchvalue=None&page=0&sortby=0&displayby=1&lotsperpage=100&category=849&seo=1969-APOLLO-12-FLOWN-TO-THE-MOON-PAIR-OF-DICE-AND-AMERICAN-FLAG