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semi-sloping fork crown of subject machine -
this is a BOCAMA pattern which was employed to a good degree in Britain during the 1960's
Jack Taylor was another well known maker who used it -
here it is in a Daniel Rebour rendering done for Andy Bertin -
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PilotFishBob example -
this image threw me at first glance since not only the crown but the Jubile shift lever set are items associated with later model years
then noticed the anniversary headplate...
a previous owner had changed out some of the fittings and further changes were made following the PfB acquisition
in the image the headset, brake hanger and shift levers are all non-OEM bits
perhaps Worksop ran out of BOCAMA crowns near the end of the 1970 production year and made some Competitions with this Vagner model No. 12 -
here is an image of the complete PfB machine following completion of changes -
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