NOS BSA rear coaster brake hub ID please

[bikesnbuses]

No real ID markings I see (date ,model) on it there IS a stamp that looks like...an....8?? and obviously BSA Made in England
looks..40s? any help appreciated! Thank you!

 

[coasterbrakejunkie1969]

No real ID markings I see (date ,model) on it there IS a stamp that looks like...an....8?? and obviously BSA Made in England
looks..40s? any help appreciated! Thank you!

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I think a Perry coaster has the same brake arm. I think they were produced in England, maybe it is one of their products