1982 Tupperware Catalog (a gift from one of my readers to help us date some of the pieces we have tested for Lead.)
Vintage Tupperware trend sparked by Marvelous Mrs. Maisel
Vintage Tupperware: See 100+ retro plastic container styles, from the '50s to the '80s - Click Americana
Vintage Tupperware: See 100+ retro plastic container styles, from the '50s to the '80s - Click Americana | Vintage tupperware, Tupperware, Tupperware storage
Cover catalogue 1965. “Tupperware. Known around the World by the Freshness It Keeps” – Tupperware Collection
Freez-n-save Container by Tupperware Vintage Tupperware - Etsy