Professor's Research #209
Sword & Shield · 2020-05-01 · Rare Rainbow · English
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Raw / Ungraded
$4.59
Grade 8
$15.75
Grade 9
$17.00
Grade 9.5
$19.00
PSA 10
$38.42
BGS 10
$31.00
CGC 10
$21.87
SGC 10
$23.00
Sales Volume
156
Gem Rate
58.1%
PSA / BGS / CGC / SGC
Card Profile
Pricing
PriceCharting
Insights
Grading and demand signals
Population Report
Graded population snapshot
GemRate Multi-Grader View
Latest snapshot: 2026-04-16
Holofoil
Professor's Research (Secret) #209
Total grades 993
PSA
8 40
9 222
10 432
BGS
8.5 1
9 6
9.5 15
10 7
CGC
8 5
8.5 13
9 98
9.5 6
10 103
10P 17
SGC
8.5 1
9.5 3
10 3