This gem just popped up on my daily Marketplace feed. I've already contacted the seller to see if he would share more pictures of it as I've never actually seen an original factory flatbed, complete with the front curved corners on the uprights. The rest of the truck looks equally well preserved.
I might even talk miss Margaret into a photo field trip ....

Not to buy (our garage is full), but to document!
In the meantime,
here's the ad if you want to see a well-preserved original factory flatbed.