It is hard date exactly but I think it is from the mid 1990's to very early 2000's era.
Exeter Speedway Stadium (the county ground) Pen & Ink Original Drawing
EXETER County Ground Back Straight - Original 6x4 PHOTO + FREEPOST
1975 Speedway Express and Echo Classic Programme, County Ground Staium, 26 May
The Who ticket The Valley ground Charlton 18/05/74 #105435
The Who ticket The Valley ground Charlton 31/05/76 #027769
The Who ticket The Valley ground Charlton 18/05/74 #110648
