Bottom to top: Deluxe Cinderella Casserole 1958 (Golden Hearts*), Deluxe Cinderella Casserole 1960 (Hex Signs*), Golden Classic 1962. Gold decoration first appeared on that 1958 promo, and expanded from there. Throughout the 1960s, gold leaf decoration remained largely confined to promotional pieces, but also appeared on Limited patterns like Golden Acorn and Golden Honeysuckle. Gold leaf made the jump to Standard patterns with Early American in 1962. Its use continued through the 1960s, peaking in 1967. When printed on plain clear or bare opal glass its durability is lacking, and which its application over a fired-on base layer would appear to have improved. Its use came to a halt after 1970, coinciding with the new popularity of microwave ovens, with which it proved incompatible.