Credit Card Direct
Before McNamara's cardboard card, merchants in the 1800s and early 1900s used metal coins or "Charga-Plates" to let regular customers buy on credit locally.
Secret History Of The Credit Card - Interviews | FRONTLINE - PBS credit card
: A few months later, he returned to that same restaurant and paid using a small cardboard card—the Diners Club card . Before McNamara's cardboard card, merchants in the 1800s