The PYREX 1979 Butterfly Gold Casserole 473 474 475 W/Lids is a vintage six-piece set of round casserole bowls with lids, featuring a beautiful gold color with a butterfly pattern. Made in America in the late 20th century, these oven-safe bowls are crafted from milk glass with a glossy finish, reflecting the mid-century modern style. The set includes three casserole bowls with different lengths, heights, and diameters, all labeled with the PYREX brand and original production technique. Perfect for all occasions, these vintage original pieces are a charming addition to any kitchen collection.