Vintage RCA Radiogram perpetual calendar from RCA Communications, Inc. showcases mid-century advertising design with its iconic red and white color scheme. This world-wide radio telegraph service promotional piece features a mechanical wheel system that allows the user to adjust the month, year, and date grid. The back includes a 'Table of 1st Days of the Month' ranging from 1945 to 1964, making it a fantastic historical artifact for collectors of radio memorabilia or telecommunications history. Constructed from sturdy cardstock with metal grommets, it serves as a unique desk accessory or display item for any vintage office setup.