![Professor Oak's New Theory [Reverse Holo]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fhgss1%2F101_hires.png&w=1200&q=60)
Professor Oak's New Theory [Reverse Holo]
Market
$4.61
PSA 10
$25.36
+450%
PSA 9
--
Last updated: Aug 28, 2026 1:32 PM
Grade 10 · Profit / Loss
Likely not worth grading — fees and turnaround time usually outweigh the upside on low-value cards.
PSA 10
$25.36
$-4.24 P&L
$24.99 fee · ~95d
BGS 10
$26.63
+$4.07 P&L
$17.95 fee · ~75d
CGC 10
$21.56
$-0.05 P&L
$17 fee · ~150d
TAG 10
$22.82
$-3.79 P&L
$22 fee · ~45d
ACE 10
$17.75
+$3.14 P&L
$10 fee · ~25d
SGC 10
$20.29
+$0.68 P&L
$15 fee · ~75d
Pop Report
Buy Signal
72/100Buy
Fundamentals
Not enough data
Timing
65/100
Pricing
100/100
Gradeability
Not enough data
More Professor Cards
Other versions of this character
+$0.37
Professor Oak's New Theory
Market
$1.81
PSA 10+450%
$9.96
![Professor Oak [1st Edition]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fbase1%2F88_hires.png&w=1200&q=60)
-$4.98
Professor Oak [1st Edition]
Market
$22.76
PSA 10+450%
$125
![Professor Oak's Visit [Professor Program]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fdp3%2F122_hires.png&w=1200&q=60)
+$0.03
Professor Oak's Visit [Professor Program]
Market
$21.88
PSA 10+450%
$120
![Professor Oak's Research [Reverse Holo]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fecard1%2F149_hires.png&w=1200&q=60)
+$0.02
Professor Oak's Research [Reverse Holo]
Market
$12.57
PSA 10+450%
$69.14
![Professor Oak [Shadowless]](https://cxjurdeoweovcukmmplp.supabase.co/storage/v1/render/image/public/card-images/wotc-destamp/base-shadowless/88-large.jpg?width=1200&quality=60&resize=contain)
+$2.11
Professor Oak [Shadowless]
Market
$7.99
PSA 10+450%
$43.95
![Professor Oak's Research [1st Edition]](/_next/image?url=https%3A%2F%2Fstatic.tcgcollector.com%2Fcontent%2Fimages%2F90%2F9d%2Fcb%2F909dcb38b416922cab9764c96d4d0bbcf8887c4b3d399a4be2a84b4ab37966f4.jpg&w=1200&q=60)
Professor Oak's Research [1st Edition]
Market
$7.55
PSA 10+450%
$41.53
Professor Oak
Market
$6.83
PSA 10+530%
$43.00
+$0.04
Professor Oak's Hint
Market
$3.74
PSA 10+450%
$20.57
![Professor Oak's Research [1st Edition]](/_next/image?url=https%3A%2F%2Fstatic.tcgcollector.com%2Fcontent%2Fimages%2F1b%2F2e%2F78%2F1b2e7808a4f299baabfd1e6fa88790c5012ac9defdcc5f029f523d5bd1ec67bf.jpg&w=1200&q=60)
+$0.49
Professor Oak's Research [1st Edition]
Market
$3.49
PSA 10+450%
$19.20
+$0.05
Professor Oak's Research
Market
$3.23
PSA 10+450%
$17.77
+$0.10
Professor Oak's Visit [Reverse Holo]
Market
$3.00
PSA 10+450%
$16.50
+$1.03
Professor Oak's Research
Market
$2.99
PSA 10+450%
$16.45
+$0.02
Professor Oak's Research
Market
$2.99
PSA 10+450%
$16.45
Professor Oak's Visit
Market
$2.49
PSA 10+450%
$13.70
+$0.21
Professor Oak's Research
Market
$2.15
PSA 10+450%
$11.83
-$0.08
Professor Oak's New Theory
Market
$1.99
PSA 10+450%
$10.95
Professor Oak's Visit
Market
$1.99
PSA 10+450%
$10.95
+$0.66
Professor Oak's New Theory
Market
$1.99
PSA 10+450%
$10.95
+$0.04
Professor Oak
Market
$1.99
PSA 10+450%
$10.95
+$1.35
Professor Oak's Visit
Market
$1.87
PSA 10+450%
$10.29
+$0.37
Professor Oak
Market
$1.75
PSA 10+450%
$9.63
+$1.13
Professor Oak's Setup
Market
$1.69
PSA 10+450%
$9.30
+$0.72
Professor Oak's Visit
Market
$1.50
PSA 10+450%
$8.25
+$0.72
Professor Oak's Visit
Market
$1.50
PSA 10+450%
$8.25
+$1.23
Professor Oak's Hint
Market
$1.49
PSA 10+450%
$8.20
Professor Oak's Setup
Market
$1.04
PSA 10+3.2k%
$34.11
Professor Oak's Visit [1st Edition]
Market
--
PSA 10
--
+$4.50
Professor Oak's Setup
Market
$94.50
PSA 10+450%
$520
Professor Oak's Setup
Market
$12.40
PSA 10+415%
$63.86
Professor Oak
Market
$1.83
PSA 10
--
-$0.07
Professor's Research (Professor Oak)
Market
$1.77
PSA 10+450%
$9.74
Professor Oak
Market
$1.50
PSA 10+1.1k%
$17.47
Professor Oak
Market
$1.39
PSA 10+1.2k%
$18.01
-$0.23
Professor's Research (Professor Oak)
Market
$1.00
PSA 10+450%
$5.50
Professor Oak's Meeting
Market
$0.00
PSA 10
--
![Fisherman [Reverse Holo]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fhgss1%2F92_hires.png&w=1200&q=60)
+$1.02
Fisherman [Reverse Holo]
Market
$33.78
PSA 10+450%
$186
![Energy Switch [Reverse Holo]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fhgss1%2F91_hires.png&w=1200&q=60)
Energy Switch [Reverse Holo]
Market
$20.00
PSA 10+450%
$110
![Pokégear 3.0 [Reverse Holo]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fhgss1%2F96_hires.png&w=1200&q=60)
-$0.17
Pokégear 3.0 [Reverse Holo]
Market
$19.99
PSA 10+450%
$110
![Heracross [Reverse Holo]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fhgss1%2F43_hires.png&w=1200&q=60)
+$4.96
Heracross [Reverse Holo]
Market
$19.96
PSA 10+450%
$110
![Pokémon Communication [Reverse Holo]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fhgss1%2F98_hires.png&w=1200&q=60)
+$0.19
Pokémon Communication [Reverse Holo]
Market
$18.82
PSA 10+450%
$104
![Bayleef [Reverse Holo]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fhgss1%2F35_hires.png&w=1200&q=60)
+$5.21
Bayleef [Reverse Holo]
Market
$17.99
PSA 10+450%
$98.95
![Switch [Reverse Holo]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fhgss1%2F102_hires.png&w=1200&q=60)
-$1.25
Switch [Reverse Holo]
Market
$17.85
PSA 10+450%
$98.18
![Pokémon Collector [Reverse Holo]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fhgss1%2F97_hires.png&w=1200&q=60)
Pokémon Collector [Reverse Holo]
Market
$16.89
PSA 10+450%
$92.90
![Igglybuff [Reverse Holo]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fhgss1%2F44_hires.png&w=1200&q=60)
+$1.83
Igglybuff [Reverse Holo]
Market
$12.92
PSA 10+450%
$71.06
+$4.47
Pokégear 3.0
Market
$12.00
PSA 10+450%
$66.00
+$0.64
Fisherman
Market
$10.63
PSA 10+450%
$58.47
![Slowbro [Reverse Holo]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fhgss1%2F52_hires.png&w=1200&q=60)
-$1.95
Slowbro [Reverse Holo]
Market
$9.99
PSA 10+450%
$54.95
![Rainbow Energy [Reverse Holo]](/_next/image?url=https%3A%2F%2Fimages.pokemontcg.io%2Fhgss1%2F104_hires.png&w=1200&q=60)
Rainbow Energy [Reverse Holo]
Market
$9.00
PSA 10+450%
$49.50