This vintage M.F. Christensen and Son Company handmade toy marble features a stunning royal blue agate design. With a diameter of over 14mm, this collectible marble is perfect for any enthusiast. Its age level is rated for 17 years and up, and it was produced before 1970. The marble has not been modified and comes in a unit quantity of one. It was also manufactured in an unknown country/region. Add this unique piece to your collection today!