Guess you've checked in the classifieds and no joy there either?
Not a common part for sale I wouldn't think. But new? Never seen 'em.
Not likely to see them from Dynacorn any time soon, as they're selling theirs as an all years replacement with the later style.
The later style EB bumpers have been available for ages through the general body part suppliers, but I've never seen an early one there either.
Probably too low a demand for them to tool up.
How're your fab skills? Guessing it wouldn't be too easy to make an old one out of a new one. But maybe not impossible?
Good luck.
Paul