As a kid in the '80s or '90s, i remember seeing signs on restaurant windows or in menus saying they accepted Visa, MasterCard, American Express, and Luncheon Vo

As a kid in the '80s or '90s, i remember seeing signs on restaurant windows or in menus saying they accepted Visa, MasterCard, American Express, and Luncheon Vouchers. I never actually saw a Luncheon Voucher though.