Professor Birch 89 Population
Ruby & Sapphire
15
Total Graded · Very Rare
Key Metrics
PSA 10 count5
Gem rate (PSA 10)33%
PSA 9+ rate53%
ScarcityVery Rare
Population Pressure
SupplyVery Low Supply
Gem difficultyRelatively easy to gem
Price by Grade
Raw $0.41
PSA 9 $4.57