Pokémon · Single card

Professor Oak's Research

Expedition Base Set · E-Card

TrainerSupporter

Number

149/165

Rarity

Uncommon

HitBinder Price

~£1.13

Firm · ungraded

PSA 10

~£33.77

graded · Low

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Price by condition

£1.13

£0.75

£0.70

£0.31

NM is the HitBinder Price; the rest use real per-condition ratios from our price archive.

Price history

▼ 3.5%

2026-04-30low £1.24 · high £1.45£1.36

— — PSA 10 shown on its own scale (a slab often trades many times raw).

Grade analysis

64 graded by PSA · 29.7% gem rate

PSA 10

19 · 29.7%

£33.8

PSA 9

23 · 35.9%

£27.0

PSA 8

14 · 21.9%

£9.8

PSA 10 uplift

29.9×

Gem rate

29.7%

Net if it 10s

£7.6

Population and per-grade prices from our price archive · printing: normal. “Net if it 10s” assumes a ~£25 grading cost and is not a guarantee — the gem rate is the odds it actually grades a 10.

PSA 10 by printing

Vintage printings grade very differently — check which one you hold.

Printing	PSA 10	Pop	Gem rate
Reverse Holo	~£150.11	9	11.4%
Normal	~£33.77	19	29.7%

The HitBinder Price is our trust-weighted estimate (archive blend), shown in your chosen display currency (switch it top-right); PSA 10 reflects recent graded sales. Indicative, not quotes — condition, grading and printing variance apply.

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Price trend

▲ 25.6% · 11 wks

Card details

Illustrated by Ken Sugimori

Expedition Base Set

E-Card · 165 cards · 2002-09-15

Card analytics

Market snapshot

Supply & demand

0for sale

0wanting

No members selling or wanting this yet.

Share of set value

<0.1%

£1.13 of £9,559.49 across the whole set.

Value rank in set

#303/ 324 priced

Ahead of 21 priced cards in the set.

Price stats

11 weekly snapshots

Low

£0.90

Average

£0.95

High

£1.16

Members selling this

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