American Express LC 1501 Vintage Credit Card-Sized Calculator With Instructions

Vintage Gold & Red Logitech Credit Card Sized Calculator LC-110 New Batt. Works!

Vintage Credit Card Solar Calculator Pocket Calculator Promotional DD Logo

Vintage Pocket Calculator Credit Card Sized WORKS

Ultra-Thin Credit Card Size Solar Calculator American Biotechnology Laboratory

Early Sears Solar Calculator Business Card 3.5" X 2.25" Black & Gold WORKS!

Sharp EL-8145 Electronic Credit Card Calculator w/ Case

Vintage 80’s Digitech Solar Credit Card Size Calculator W/Instructions & Case