Original vintage GameScience d20 in the classic translucent Topaz / amber “Gem” color.
One die. Forty years of history.
This is a single vintage GameScience D20 in the Gem Topaz colorway, deep translucent amber, sharp untumbled edges, and all the hallmarks of early GameScience production. The "G" trademark stamp is clearly visible on the +1 face, confirming authenticity.
What makes this die special:
This isn't just any D20. It uses the original 0–9 twice format with "+" prefix notation, meaning faces run +0 through +9 twice rather than 1–20.
This is the pre-dedicated-D10 era format, when a single die like this pulled double duty at the table before percentile dice were standard, before D10S existed as their own thing. This is what your dungeon master rolled in 1979.
The blue-teal crayon ink is partially intact — period correct and authentic to how these dice left the table back then.
Specifications:
- Single D20, 0–9 twice with "+" prefix
- Gem Topaz colorway, deep translucent amber
- Blue-teal crayon ink, partially intact
- Sharp untumbled edges, visible sprue mark
- "G" and "TM" stamps confirmed visible
- Late 1970s. Early 1980s production
Condition: Used, good. Edges sharp and intact. Ink partially worn, consistent with age and use.
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