23 super bright Jabo Uranium marbles. These marbles came from a collection i purchased a few years ago. Although I've been buying selling and collecting over 20 years. I know nothing about Jabo's. All 23 in this group GLOW brightly. This group are all approximately .95". Marbles are MINT with the exception of a few that have as made cold creases and some have bin marks. Grade MINT 9.3-9.6

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