Rocket's Secret Experiment

Challenge from the Darkness • #91

Rarity	Uncommon
Energy type	Trainer

Price History

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Grading Population

168 Total Graded

23.2% Gem Rate

39 Total Gems

2 Graders

PSA 80 graded

Grade 9: 42 Grade 10: 19 Gem rate: 23.8%

CGC 88 graded

Grade 9: 33 Grade 10: 18 Pristine: 2 Gem rate: 22.7%

Population data updated Sep 1, 2026. Tracks PSA, Beckett, CGC, and SGC. Newer graders like TAG and ACE appear in sales data below but not in PSA-style population reports.

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