My bathroom scale doesn't weigh in 1/10th increments. That bike weighs 20lbs if it weighs an ounce. I have a 1989 Paramount OS that had virtually the same build, down to the pedals. Also a 60cm frame. When it had the D/A 7 speed it weighed a little over 20 lbs, and the OS frame is lighter than this bike's.

Bathroom scales are a really bad way to weigh bikes. However, I'd be interested in bidding on his scale for my diet program.