New to Understanding Jadeite? Great article!
According to a handy guide written be eBay seller screech109, there are three main companies that produced these pieces: Jeanette, McKee and Fire-King (Anchor Hocking). Because they were made with scrap glass (green glass melted down with other glass) there can be differences in the shade of green (i.e. some of the pieces might be darker), and there might be slight swirl-like patterns in some of the pieces… Read Article