here are my precious three...
'76 mb grand record

(before, i didn't even know enough to turn the bike around.)
after (campified)
'73 falcon

it came to me without wheels, stem, saddle, pedals, rd, and brakes/levers. I very much regret not taking a 'before' photo of the whole wreck of the bike -- would've been a great photo.
after
'81 univega gran rally

it was a total rust bucket.
after

it's a little beast.