Published in “Transvestia” magazine #38 (April 1966). I think original art could be by Bob Tupper.
not sure if anyone’s added this info here but because I wanted to know more I checked and….
Every issue of transvestia magazine, which ran from the 60’s through to the 80’s is available through the uVic archives. It was a groundbreaking publication for the crossdressing and later the transgender community. Check it out.
https://vault.library.uvic.ca/collections/6576cedf-1282-4089-8351-08f73f4199b4