The ans is - 6
Which TV series made in different countries includes characters with names such as Lace, Siren, Titan, Amazon, Panther, Warrior, Ice, Scorpio, Lightning, Blade, Cyclone, Flash, Force, Shadow, Thunder, Viper, Nitro and Cobra?
What UK television programme that has been running since 1979 travels the country and provides the opportunity for people to bring along items and have them valued?