Despite my lamenting of the price of eBay items, maybe you are willing to pay more.
Some shoes I think are interesting and currently available:
A steal at $20, no bids, less than 24 hours to go... Bally Vintage, Size 6, Heels - click here
Maybe you like something a bit different? Vintage 80's, size 7, Peeptoe Heels - click here
And if you like sandals, Vintage, Navy Blue, Size 38 - click here