Ultra
The JABO Joker Ultra Run was a landmark marble production held on June 4, 2009, at JABO Inc., noted for its experimental glass chemistry, vivid color effects, and strong UV-reactive properties.
Key Details About the Joker Ultra Run
• Date & Location: Conducted on June 4, 2009 at JABO Inc. by master marble maker David McCullough.
• Machine Used: Produced on JABO’s ¾" Vitro machine, which allowed for intricate swirls and layering.
• Glass Chemistry: Featured crystal-based glass and UV-reactive properties, making many marbles glow under blacklight.
• Distinctive Styles: Collectors prize marbles such as:
• Black Blood – deep, dramatic internal swirls.
• Oxblood and Blue – striking color contrasts.
• Radioactive Spider-Man – intense internal activity with glowing effects.
• Collector Appeal: These marbles are highly sought after for their unique internal activity, vivid layering, and rarity. Some individual pieces, like the Ghost Medusa, are sold today as mint-condition collectibles.
• Technical Ambition: Considered one of the most technically ambitious Joker runs, pushing the limits of JABO’s production methods as of that date.
• UV Glow Effect: The use of experimental glass chemistry gave the marbles a radioactive-like glow under UV light, which was unusual and innovative for machine-made marbles at the time.
• Legacy: The Joker Ultra Run is remembered as a turning point in the Joker series, elevating JABO marbles from playful collectibles to artistic, experimental glassworks.
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