Lastex not Lycra

Nice ad right? I particularly like the style #23. It doesn't tell me who the maker is only that it's made with lastex, which was an early pre cursor to lycra. And I'll tell you this. May of the suits we have from the 40s and 50s which have Lastex have held up much longer that anything I've seen with lycra.

What peaks my interest in this ad is Janet. Who is she. Upon doing a search with that name all I keep getting is images and info on Janice Dickinson, that just not right. Anyone know anything about Janet?