Vintage Tupperware butter dish: 12 ppm Lead (safe by all standards for Lead, but may have BPA if pre-2010).
Tupperware Clamshell Tereyağlık,tupperware Butter Dish Butter Dish White Black Butter Refrigerator Box - Storage Boxes & Bins - AliExpress
Tupperware Butter Dish - Etsy
Tupperware Gracedawn Athi river - Store and serve butter in this elegant Butter Dish. This slim fridge door Butter Dish is space saving to fit in the refrigerator door and is attractive
Tupperware® Impressions Small Butter Dish – Tupperware US
Tupperware Impressions Butter Dish For 2 Sticks Of Butter Light Green M4 | eBay
Vintage Tupperware Butter Dish For Two Sticks Chessie & Nestor Go Antiquing | Ruby Lane