Show a post-war mystery

Ever seen the double chevron like this on an early 2CV ?

The ulta low mileage 2CV that was sold at Artcurial at Retromobile was showing this intricate detail on the C 'post'. We wonder if this is a known addition, or that is was added by one of the previous owners. The car was delivered new in 1965 to to  Harrah's Automobile Collection in Beverley Hills, Californis  and is said not have covered more than 116 miles since.

Author: Paris reporter Sunday, 05 February 2012