Most folk didn’t need a Harvard professor to tell them that cosmetics sales were up 25% in the decade following the Great Depression. They had already heard about it in stories passed down from their Grandmothers’ day.
Housewives saved pennies, nickels and dimes in their piggybanks to replenish their lipstick.
The coupon was not something tossed out after the postman left the mail, but a standby.