Listers,
A nicely-designed ("elegant" comes to mind) Allegro women's city bike is up on ebay. This is the first one like it that has come up in the several months I have been searching ebay for Allegro bikes.
Search on ebay for item #170295564538 or try this link, which may get broken in the posting:
Item title: 60's Allegro (Swiss) Racer Ladies Bike
Item URL:
http://ebay.com/
Jon Spangler