I'm not a C&V expert, but many of the 70s Schwinns are well regarded for being reliable and good-riding bikes, including the early Le Tour. I have seen a few for sale locally in the last year, but they were all yellow.

I see no need to spend over $100 unless it is in exceptional condition. A bike like that won't be worth spending hundreds of dollars on, unless you want to ride it and it is something you enjoy.

With any luck, pastorbobnh will drop by and post his blue '79 Traveler. I love that thing!!