Regarding bumping ads in the classifed forums, we've just installed a new (customized) add-on that will change the way ads are bumped to the top. Please refer to the post "Bumping Classifed Ads" for details.
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I'd have to guess 1930's because the streamline train on the badge is 1930's, the handle bars, handle bar neck, seat, pedals, front wheel hub all appear to be 1930's As for manufacturer sorry I have no idea.