Concours EventsBoca Raton Concours d’Elegance (2015) – Recap & Photo GalleriesBrad Jansen Boca Raton, FL February 20-22 The 1954 Siata 200CS of Walter Eisenstark won Ă’Best Closed Post-War Car.Ă“ 1971 Bizzarini 128 P “Prototype”. 1956 Lynx XKSS. The 1946 Belly Tank Streamliner of Geoffrey Hacker.