Very interesting and rare Ceremonial CSA Czech Airlines Pilot hat celebrating the christening in September 2000 of an ATR-42  airliner registration OK-VFI commemorating WW2 Czech Fighter Pilot Nebesky Jezdec - Sky Rider and 55 anniversary of end of WW2 plus 60 anniversary of Battle Of Britain. Please see picture of Nebesky Jezdec and the aircraft above. 

Many Thanks for looking.