The Antique 50 Year Perpetual Calendar is a unique and collectible item measuring 2 3/16" in diameter and 1/2" thick. It covers the years 1965 to 2014. This calendar features a round design and is made of brass, making it a functional and decorative piece for any space. With its perpetual nature, this calendar allows for the tracking of dates for an extended period of time, adding a touch of nostalgia to any collection. Fair to good condition. Back side is poor. Shipping is $6.00 if within the USA. Check out my other listed items. I have a few other vintage and antique perpetual calendars listed. Please add me to your favorites list.