1960-70’s Vintage Pyrex ‘ Butterfly Gold #1 – 2 1/2 Quart Cinderella Mixing Nesting Batter Bowl. This pattern was produced by Pyrex in the 1960’s-1970’s. It features a floral pattern in the shape of a butterfly. The color scheme alternates between gold on white and white on gold. The Pyrex number for this piece is 443. It has been discontinued.