vintage high heel shoe lasts, adjustable cast iron cobbler forms for heels

Rare set of Lamac iron shoe lasts, adjustable metal 'feet' for high heeled ladies shoes. They're about 4" top to bottom with the heels at the highest, so up to about about 2 3/4" heels? These are out of the estate of a small town cobbler and shoe repair shop owner, and are in good usable condition.