Here is the info on that coupe. And it is all I have on it.
Sattler maier coupé:
The company KARL MAIER, better known as KAMEI is involved with this car.
The coupe was made in 1947 in a small workshop in Wolfsburg.
THe persons involved in the creation of this car are:
Karl Maier for the seats
A Schöpel for the body and a certain NICHERSKI for the paint.
The finacier of this project was Friedrich Peter Lorenz SANDKAMP.
The car was only made once and where it is now is unknown.
This info is found in the book : ETZOLD: DER KAFER IV
ISBN 3-7168-1890-9
It is a hard to find book , the 3 others are more comon on meetings to find.
Book I is about beetles from 45 until last one( 1980)
Book 2 is about the birth of the beetle from 36 until weltmeisterkafer
book 3 is about the all kind of advertising, models in scale, clubs, books, tuning,...
ZELENSIS, coachbuilt body from the 50's on a vw platform made in Belgium. Peter the heb detective