Solved: GTE 329 - 1949 Race Car of Werner Tollefsbøl (which later became the GB2)

[Wendax]

1949 GB 2 by Werner Tollefsbøl participating in a race in Drammen

[gte4289]

1949 GB 2 by Werner Tollefsbøl participating in a race in Drammen

Actually, this is the nameless 1949 race car of Werner Tollefsbøl (registered simply as 'Racerbil Eget Fabrikat'). Tollefsbøl sold the car to Gunnar Bratlie in 1954. Bratlie made modifications to the body, painted the car blue, and dubbed it the 'GB2'. The point is yours.

[Wendax]

I should have read the text more carefully. 
Thanks for the point.