Can you help to identify these frames, bikes or parts?

I picked up this from a guy who came into the shop the other day, he has basically totally ruined it(whatever it was) for some reason he has tried to cut out the bb, rattle can the thing white(terrible job) and the seatpost is stuck, the seat stays say "Columbia" on them and it has "young" stamped into the bb,the dropouts are campy, i spent a while on google and came up with nothing, if anyone has any idea it would be pretty cool to find out what it is/where it came from.oh and it has has canti mounts.

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Columbia frames came from Worksop, England. As you can see from the pictures, I have a Lo Pro built from Reynolds 531 with a curved seat and top tube. The font used for the branding is a script type font which looks similar to the lettering used on the seat stays on your frame. Having looked closely at the pictures(the bike is at the back of the shed at the moment) it has fast back seat stays, so does not have the 'Columbia' detailing to the top of the seat stays. I can not recall a frame number at the moment or any detailing on the bottom bracket but it looks to me that it is the same frame builder. I do not have any information on the age of the frame as the previous owner bought it second hand.

I particularly like the blue/white fade colour scheme and the gold script branding and do not intend to repaint, but to retain the pattina and considering building up with Mavic groupset and a PMP chainset with the 'L' shaped cranks.

I have also googled it and have only found one other Columbia which was a road bike.

Hope this helps.

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