Up for sale is a unique piece of American history—a vintage brass 50-year pocket calendar token, issued to commemorate the United States Bicentennial (1776–1976). This double-dial mechanical calendar features two American flags flanking the historic dates "1776" and "1976."The pocket calendar tracks dates spanning five decades from 1971 through 2020. The rotating dial operates by aligning the desired year with the corresponding month at the top, which dynamically updates the days-of-the-week grid at the bottom.Material: Solid Brass / Bronze alloyFront Markings: "Place Year Over Month", "For 50 Yrs Calendar 1971-2020", "Red Month For Leap Yrs"Condition: Beautiful vintage condition with a rich, authentic aged patina. The dial rotates smoothly. The reverse side shows natural oxidization and wear consistent with age, as pictured.