Offered here is a VINTAGE HANDMADE MARBLE. This is a "CORELESS SWIRL" Marble. This marble is LOADED with TINY BUBBLES in the Clear Center! This is an EXCELLENT example of a HANDMADE SWIRL! The Pontils are Very Nice and Totally ORIGINAL! This BEAUTY measures approx. 11/16". I grade it MINT yet it does have a couple teeny As Made melt pits. This is a Great Marble! What you see is what you will receive. Please ask questions if more information is needed.