I suspect any designation starting with a contract number is post-war but I have no definate proof.
Certainly BSA bikes and I assume others just had a serial number prefixed with a letter and a WD arrow applied. The BSA war-time Bicycles also had 28" wheels. Quite if all war-time Bikes had wheels of this size I do not know.
Last edited by Neil Ashley; 26-11-07 at 16:03.
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