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Professor Oak's Research - Base Expansion Pack | CollectHolo

Explore/Base Expansion Pack/Professor Oak's Research

Professor Oak's Research (53)

53/128UncommonBase Expansion Pack

Professor Oak's Research (53)

No price history available yet

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PSA pop report

Last updated 27 May 2026

1057.1% PSA 10 rate

PSA 10

16

PSA 9

8

PSA 8

2

PSA 7

1

≤6

1

Auth

0

Total

28

PSA 10

+4

PSA 9

+18

PSA 8

+11

3D7D1M3M6MALL

PSA population history is a PRO feature