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markings on shell are its specifications (not a serial)
lug pattern is NERVEX 86 bis/158
pump pegs appear British rather than NERVEX
mudguard stay eyelets on taper tubes appear they
may be NERVEX Ref. 890
pretty clear we are in the 1950's here
because of date could have been designed for multi-plateau drive train with manual ("suicide") front mech
seat binder is Gripfast
GB Hiduminium stem/bar set likely original to cycle
chainset and pedals look as though they may be original, or at least contemporaneous with cycle
pedals appear they may be Phillips Grande Vitesse model No. 49
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MauriceMoss
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