That is one beautiful old Bike.
I have a soft spot for stuff like this, this bike might have been someone's dream come true, the goal of a summers worth of scrimping and saving, the pay off of months on a paper route or washing dishes at some diner.
Every bike like yours, every Raleigh Grand Prix, UO-8, Bottecchia DeLuxe, Motobecane Mirage...ect..... has a story to tell.
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I have a white PX-10, a Green Dawes Galaxy and an Orange Falcon, now I'm done.