check out my post to the vanagon list on may 29th, in the archives.

yes, westfalia-werke used recycled wallboard to make their subfloors.   my
buddy removed the subfloor in his '83.5 westy and it had some bizarre
western  cowboy design on it.

and yes, it was put there by westfalia.

In a message dated 6/28/2017 3:08:02 A.M. Eastern Daylight Time,
cunegonde.van.westfalia@GMAIL.COM writes:

Has  anyone else found a  *pink and yellow flowers on a white background*
vinyl-covered plywood OEM Westy subfloor? Mine is either original or an
expert  (and old) replacement.