Here's an excellent example of how to attract interest in your listing on Facebook Markeplace or eBay.
One of my friends in California buys and sells vintage wares and antiques. She often comes across bizarre listings (after all, it is Facebook and it it is California). Well, this listing certainly caught the eye...and is rather clever.
I will add some more classics here when I have collated them all...watch this space. If you have any yourself, send them here. (You won't get spammed)