I also managed to pick up some budget 700x20c tanwall Michelin Dynamics from an eBay shop for next to nothing. They don't get amazing reviews but they look fantastically skinny but old-timey!
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.