Here they are:
These seemed like original signs and they certainly looked very old. I don't think whomever put them up is concerned with cycling or bicycles, as there were other non-bicycle signs too. It would seem that instead somebody collects old signs.
Mind you, while you're there, go have a meal at the Vaults restaurant. Wednesdays are apparently "steak nights" and they do an exceptionally tasty rib-eye steak that melts in the mouth!