PlaneTags have released a series of tag's made from a Qantas 747. VH-OJN was retired in 2011, so not one of the recent planes, but could still be a good collectable given the uncertainty around the future of the fleet.
planetags.com

Boeing Qantas 747-400 Series PlaneTag Tail #VH-OJN
Joining a dynasty of Qantas 747s in the late 80s, the Boeing 747-400 was a game-changer for Qantas, setting the world record for the longest-ever non-stop flight in 1989 and earning the nickname “Longreach”
