Maybe one of these similar products would be of interest:-
Champion Spark Plugs Promotional Baseball Cap One Size Red / Black Retro 2463G
CHAMPION SPARK PLUGS PERIOD FABRIC SEW ON BADGE RARE NIGEL MANSELL SENNA PROST
Original vintage Champion spark plugs Silverstone British GP Decal sticker 1980s
Original vintage Champion spark plugs Brands Hatch Decal sticker 1980s
Vintage Champion spark plugs World Road Racing Championship sticker 1980s