Maybe one of these similar products would be of interest:-
Hackney Kestrels Retro Speedway T-Shirt
HACKNEY KESTRELS--1987--SPEEDWAY BADGE--GOLD METAL
HACKNEY KESTRELS--1985--SPEEDWAY BADGE-SILVER METAL
Speedway badge Crayford Highwaymen 1968 1970 The Kestrels supporters ref. 260