Just another data point, I picked up a 1972+/- Volkscycle 100, the one made in Japan. Its the nicer model, pretty much all generation 1 Dura Ace.
Serial number is BS01542M
[IMG]
fullsizeoutput_bd5 by
wrk101, on Flickr[/IMG]
[IMG]
fullsizeoutput_bce by
wrk101, on Flickr[/IMG]