UPDATE: There are now several photos on eBay that were taken during the testing of the Austin Champ.
1. Photo of prototype Champ from the passenger side.
“Motor car jeep. Size of photo 8″ x 10.3”
2. Photo of an Austin Champ prototype from the front.
“Motor car jeep. Size of photo 8.1″ x 10.2″ 1950-07-26”