Earliest at #0567663
BSA - Airborne Dumping Trailer
BSA - Airborne Dumping Trailer
The hitch is wrong as you can see.
What does it say? HELP????
I think this is an earlier tailgate. It has the hole and looks correct but the bracing is different
Levers are the same. Missing the linkage
700x16 tires. Not correct
There is some text on the side of the trailer but it is not legible.  If you look carefully you can make out some of it.  Anyone who can read this...please send me an email.  ;^)
All the way back

text enhanced a little