This is a super early gem from Fritz, very historic at this point, over 2 decades old from the early days of the marble movement. I love marbles like this, ones with a hidden surprise inside. The perfect lines on the outside of the marble would be enough beauty, but then you have this yellow core inside with some cloudy glass surrounding it, forcing you to try and peer inside and see what's going on in there! Bonus!! Signed 'Fritz 1996'.