Vintage 1981 Wilton Strawberry Shortcake Birthday Cake Pan #502-3835 Vintage 1981 Wilton Strawberry Shortcake Pan #502-3835. Retired Out of Production pan over 30 years old! Design is Strawberry Shortcake when she used to wear the big fluffy hat. Backside of insert gives 3 possible decorating patterns. Takes 2 layer cake mix.