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.