It's not a crown. It's the flaming bomb.  There are no British markings on the bayonet.  Here is a close up of the blade markings.

I think you have no responses due to your original post…” car fans”. ??? Do you mean ammunition crates and containers?

Wow what ab great find !

And another with circle and line

Another one with circles

With the thing in the center

Greetings, why do some A8B masks have a circle in the middle while some a have a line going into a circle?

Picked up a few bargains today, ready for our entry back into Jeep ownership. well my lad, I'm too wise to go back down that road 40 yrs after my first Jeep. This way I will get to play mechanic and share in some of the fun of Jeep ownership . That's all to come, in the meantime I'm gathering bits as and when I find them just in case.

boxerdogi a last question. What brand name is the receiver? Sierra or Roanwell? I dont know where id find the mic clip at to replace. I dont know how old the Roanwell black clip replacement is on my helmet. Cant find a date source but i see them on vietnam aph5 helmets for the mic. 

Here's two more, one is lightweight. Both have a "combat" jump indicator on the parachutist's wings. I think the Field Artillery LTC's was worn by the 2nd battalion, 319th Field Artillery commander.