If there's purple paint on the top half and either white or gold on the bottom under that orange crap, it's a 1967 Bonneville tank. There should be two screw holes on each side for badges. Nice original tanks are worth a fair amount.
15 BMW RnineT
10 Ducati 1098 Streetfighter S - "Sleipnir"
09 Kaw Versys
67 Triumph Bonneville TT Special