The Fifth Season / Jump Suits, Ltd. ads

Source: https://www.retronaut.com.License: All Rights Reserved.

There is some ridiculous and sexist copywriting on these. The ad at the bottom is dated 1978. The others are undated but must be from around the same time.

Source: https://www.retronaut.com.License: All Rights Reserved.

Source: http://elbloggodemango.blogspot.de.License: All Rights Reserved.

Published in 1978, according to the source: elbloggo de mango.