Review Tecnical Biker N° 138 1958 Vespa 400 Number Special Precedent | eBay
Juan Manuel Fangio and Jean Behra. Presentation of new Vespa 400 1957. Monaco 1957. See www.spiritracerclub.org/vespa-400-la-puce-du-rallye-de-monte-carlo/ | Edward Quinn Photographer
Vespa 400 period advertising leaflet — Veteran Vespa Club