Although these were only included in a few ensembles, they are easy to find, because they were also included with
vintage Barbie dolls that came in the red helenca swimsuit. Also called Mules by some collectors, these were made in Japan and came in pairs. The bottom of the left shoe will be marked Japan, the bottom of the right shoe will be unmarked.
Here are the current listings on eBay: (To view the eBay store listings click on "view all
items on eBay" below - a new window will open)