It's your stereo by all means list it for what you want. Those $200 ones on Ebay are always good for a chuckle. It's not like your holding a working pristine factory 57 chevy classic in your hands. You listed already the reasons for "not wanting" it.. Just a heads up, unless it is a complete Navigation system.. they typically get sold in here for under $50.

Here's you an Ebay example..

http://www.ebay.com/itm/Chrysler-Cro...item27cec90f06