Hi,
Yes, its difficult to workout the extent of the dent in the original black and white photograph....Part of the seat tube is in shade(the sun is to the left of the photo) so only half of the dent is visable in this photo.I will try and take a photo under similar sunny weather conditions...not too much sun here at the moment!. Proportionally, the dent is in the same position on the seat tube and has a similar oblique angle,which i have worked out to scale and with a protractor to measure the angle.
What i do know is it is a Wolber-Spidel team bike thanks to the input from some knowledgeable folk on this forum .For me,part of the fun of a restoration is following the history and see where you end up.My dilemma now is,should i get the dent removed during the frame restoration or leave it as a form of I.D.
All the best and Happy new year,
James