Corelle dishes are made by encasing the decoration in glass, so any lead in the pattern is held safely in a glass sandwich. I'm not familiar with when this pattern was produced, but Corelle states on their website that dishware produced between 1978-1999 is safe to use. https://corelle.com/pages/frequently-asked-questions More on reddit.com

I was curious, so I went to the Corelle website and only found this: "Corelle dinnerware has come in many different patterns over the years since it was first introduced by Corning and continued with Instant Brands, and many vintage/legacy pieces have become cherished collectors’ items. Before 2000, and before tighter lead content safety regulations, a small amount of lead was an ingredient in the decorating process of many household products. Instant Brands has conducted additional testing with an outside laboratory to determine whether vintage Corelle products made before 2000 comply with today’s consumer [your] expectations as to safety and whether it’s ok to use them as everyday dinnerware. The Company selected multiple patterns of vintage Corelle products, dating back to 1978 for testing. The food surface contact testing was designed to identify whether any small amount of lead that may have existed in pre-2000 manufactured Corelle product leaches from the product in amounts above today’s acceptable lead-safety regulations. The small amount of lead used in decorations pre-2000 was encapsulated in glass before and after the decoration was applied to product and fired to above 750C. The Corelle manufacturing process has always encapsulated decoration in glass, using extremely high processing temperatures to ensure the glass decorations are sealed, which prevents food contact and intentionally decreases the extent of any lead migration to food. The testing confirms that the vintage products tested comply with current FDA lead-safety regulations – so feel free to use them for everyday dinnerware." So it sounds like you can keep and use all your treasured vintage dishes. Unless someone finds science saying otherwise. More on reddit.com

I just thrifted a set also. I did a little research into this, and it seems all stories of lead are stemming from one source. Corning & corelle say these are safe. Also, you can test for lead at home pretty inexpensively. I'm gonna use mine, cuz I ain't skeered 😁 More on reddit.com

I love our Corelle dishes! Just be sure to buy the new designs and steer clear of vintage, I recently learned that my beautiful vintage Corelle plates with a yellow design on them have lead paint😭 Walmart sells Corelle and I replaced my old plates with plain white and we love them. More on reddit.com