For a picture in which nothing less innocent than an ankle measurement is taking place, I feel like there’s an awful lot of fetish fuel and barely-repressed perversion going on here:

man kneels to measure the ankle of a great lady while another man watches impatiently, cane in hand

This is from my file of vintage postcard scans, so unless somebody can recognize that scribbled signature, I’m totally without a provenance to provide for this artwork.