The Vintage Perpetual Brass Pocket Calendar from SwissAir is a unique and collectible item that spans the era of 1951-1978. Made by Anderson & Sons Inc. Massachusetts, this calendar showcases the craftsmanship and design of that time period, making it a sought-after piece for collectors of air travel memorabilia. With its durable brass construction and intricate detailing, this pocket calendar is not only functional but also a charming reminder of a bygone era