Any info on what the bracket might be for? I thought the obvious one would be licence plate but having looked through hundreds on ebay I can't find anything that would fit, mainly because the fixing point is between the rails. It had four raised spots which may be made to fit to something with...
This is mine, Pashley Guvnor by type with Pashley Clubman frame colour, singlespeed hub brakes and vintage Brown saddle. Converted old mountain bike, done a few years ago, so some rust.
This type of rear badge was used on Moultons, so that is one area that might generate interest for a buyer, but unfortunately they won't have the desirability of the leather hammock type.