Here is a current listing of Vintage Levi items on sale now on Ebay.  It is one of the most useful sites for purchasing vintage denim items
Here is a search that often works for me.  There is also a search box at the bottom of the list to use as well.  Click on the bottom button to
sign up for an Ebay account if you have not already done so.  It is free and is useful for buying or selling all sorts of items.