Not sure what its off. I was told this was from RAF Burtonwood and I bought them a couple of miles from there so I have no reasons to doubt this. Please note that this is CASH ON collection or BACS only from Merseyside L33 or WA9. The item "Post WW2 Cold War RAF USA Made USAF Aircraft Plane Wheel & Tyre RAF Burtonwood" is in sale since Sunday, November 14, 2021. This item is in the category "Collectables\Militaria\1946-1960".The seller is "fritzandbrits_dot_com" and is located in St Helens, Merseyside. This item can't be shipped, the buyer must pick up the item.