This Vintage/Old Swirl Agate Marbles set is a stunning addition to any collection. Made by Christensen Agate in the United States in 1950, these machine-made marbles are a true testament to the timeless beauty of vintage toys. As a collector of over 50 years, I can attest to the quality and authenticity of this set. The set includes two marbles with a beautiful swirl design, perfect for any marble enthusiast or collector. These marbles are a piece of history, representing the pre-1970 time period and a beloved toy of many generations. Don't miss out on the chance to add these gems to your collection.