Pokemon — Pokemon Japanese Undone Seal Card Prices & Values (2026)

Name: Pokemon Japanese Undone Seal Price Guide
Creator: Guardian TCG
License: https://creativecommons.org/licenses/by-nc/4.0/

Complete Pokemon Japanese Undone Seal price guide: 141 cards tracked, total set value $1918.59. Prices last updated: May 18, 2026.

Pokemon Japanese Undone Seal Market Snapshot

Total Set Value: $1918.59
Average Card Price: $13.61
Lowest Priced Card: $1.00
Cards Tracked: 141

How Guardian Calculates Pokemon Japanese Undone Seal Prices

Guardian builds this set price guide from live raw card prices, graded estimates, recent sales, and outlier checks across supported marketplaces. The total set value is the sum of tracked singles with current market prices, while PSA columns show graded-card estimates when enough data is available.

Read the full Guardian Oracle pricing methodology.

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Most Valuable Pokemon Japanese Undone Seal Cards

#	Card	Rarity	Raw	PSA 9	PSA 10	30d
39	Kyogre ex [1st Edition]	Unknown	$542.04	N/A	N/A	N/A
72	Registeel ex [1st Edition]	Unknown	$70.00	N/A	N/A	N/A
55	Regirock ex [1st Edition]	Unknown	$58.85	N/A	N/A	N/A
55	Regirock ex	Unknown	$54.30	N/A	N/A	N/A
18	Ninetales ex	Unknown	$49.00	N/A	N/A	N/A
38	Regice ex	Unknown	$45.69	N/A	N/A	N/A
72	Registeel ex	Unknown	$45.49	N/A	N/A	N/A
56	Groudon ex [1st Edition]	Unknown	$44.58	N/A	N/A	N/A
39	Kyogre ex	Unknown	$43.84	N/A	N/A	N/A
56	Groudon ex	Unknown	$43.82	N/A	N/A	N/A
38	Regice ex [1st Edition]	Unknown	$36.99	N/A	N/A	N/A
18	Ninetales ex [1st Edition]	Unknown	$34.26	N/A	N/A	N/A
25	Milotic	Unknown	$33.53	N/A	N/A	N/A
71	Metagross ex	Unknown	$33.08	N/A	N/A	N/A
71	Metagross ex [1st Edition]	Unknown	$32.99	N/A	N/A	N/A
17	Ninetales [1st Edition]	Unknown	$31.44	N/A	N/A	N/A
58	Wigglytuff Ex [1st Edition]	Unknown	$25.73	N/A	N/A	N/A
58	Wigglytuff ex	Unknown	$24.98	N/A	N/A	N/A
5	Vileplume ex	Unknown	$21.82	N/A	N/A	N/A
5	Vileplume ex [1st Edition]	Unknown	$21.62	N/A	N/A	N/A
17	Ninetales	Unknown	$19.99	N/A	N/A	N/A
25	Milotic [1st Edition]	Unknown	$16.64	N/A	N/A	N/A
51	Machamp [1st Edition]	Unknown	$16.39	N/A	N/A	N/A
9	Heracross [1st Edition]	Unknown	$13.93	N/A	N/A	N/A
47	Banette	Unknown	$13.43	N/A	N/A	N/A
10	Seedot	Unknown	$13.25	N/A	N/A	N/A
41	Electrode	Unknown	$12.99	N/A	N/A	N/A
51	Machamp	Unknown	$11.50	N/A	N/A	N/A
41	Electrode [1st Edition]	Unknown	$10.98	N/A	N/A	N/A
7	Crobat [1st Edition]	Unknown	$10.00	N/A	N/A	N/A
48	Chimecho	Unknown	$9.99	N/A	N/A	N/A
6	Pinsir [1st Edition]	Unknown	$9.95	N/A	N/A	N/A
48	Chimecho [1st Edition]	Unknown	$9.72	N/A	N/A	N/A
45	Claydol [1st Edition]	Unknown	$9.59	N/A	N/A	N/A
47	Banette [1st Edition]	Unknown	$8.99	N/A	N/A	N/A
6	Pinsir	Unknown	$8.54	N/A	N/A	N/A
64	Exploud [1st Edition]	Unknown	$8.50	N/A	N/A	N/A
44	Starmie [1st Edition]	Unknown	$8.34	N/A	N/A	N/A
54	Medicham [1st Edition]	Unknown	$7.99	N/A	N/A	N/A
22	Staryu [1st Edition]	Unknown	$7.69	N/A	N/A	N/A
7	Crobat	Unknown	$7.59	N/A	N/A	N/A
3	Oddish [1st Edition]	Unknown	$7.49	N/A	N/A	N/A
8	Bellossom [1st Edition]	Unknown	$7.47	N/A	N/A	N/A
12	Masquerain	Unknown	$7.20	N/A	N/A	N/A
19	Sunny Castform [1st Edition]	Unknown	$7.01	N/A	N/A	N/A
68	Shiftry	Unknown	$6.59	N/A	N/A	N/A
26	Rain Castform	Unknown	$6.49	N/A	N/A	N/A
35	Gorebyss [1st Edition]	Unknown	$6.40	N/A	N/A	N/A
9	Heracross	Unknown	$6.35	N/A	N/A	N/A
36	Relicanth [1st Edition]	Unknown	$6.31	N/A	N/A	N/A
63	Loudred	Unknown	$6.25	N/A	N/A	N/A
64	Exploud	Unknown	$6.11	N/A	N/A	N/A
66	Castform [1st Edition]	Unknown	$6.03	N/A	N/A	N/A
32	Walrein	Unknown	$5.96	N/A	N/A	N/A
45	Claydol	Unknown	$5.95	N/A	N/A	N/A
27	Snow-cloud Castform	Unknown	$5.86	N/A	N/A	N/A
27	Snow-cloud Castform [1st Edition]	Unknown	$5.72	N/A	N/A	N/A
63	Loudred [1st Edition]	Unknown	$5.64	N/A	N/A	N/A
14	Swalot	Unknown	$5.52	N/A	N/A	N/A
34	Huntail [1st Edition]	Unknown	$5.48	N/A	N/A	N/A
62	Whismur [1st Edition]	Unknown	$5.38	N/A	N/A	N/A
4	Gloom	Unknown	$5.33	N/A	N/A	N/A
78	Island Cave	Unknown	$5.28	N/A	N/A	N/A
36	Relicanth	Unknown	$5.00	N/A	N/A	N/A
43	Lanturn [1st Edition]	Unknown	$5.00	N/A	N/A	N/A
79	Ancient Tomb	Unknown	$5.00	N/A	N/A	N/A
49	Machop [1st Edition]	Unknown	$5.00	N/A	N/A	N/A
65	Spinda [1st Edition]	Unknown	$4.99	N/A	N/A	N/A
32	Walrein [1st Edition]	Unknown	$4.99	N/A	N/A	N/A
24	Feebas [1st Edition]	Unknown	$4.99	N/A	N/A	N/A
35	Gorebyss	Unknown	$4.70	N/A	N/A	N/A
34	Huntail	Unknown	$4.69	N/A	N/A	N/A
24	Feebas	Unknown	$4.60	N/A	N/A	N/A
57	Jigglypuff [1st Edition]	Unknown	$4.49	N/A	N/A	N/A
54	Medicham	Unknown	$4.49	N/A	N/A	N/A
31	Sealeo	Unknown	$4.28	N/A	N/A	N/A
61	Igglybuff [1st Edition]	Unknown	$4.17	N/A	N/A	N/A
40	Voltorb [1st Edition]	Unknown	$3.99	N/A	N/A	N/A
52	Rhyhorn [1st Edition]	Unknown	$3.99	N/A	N/A	N/A
68	Shiftry [1st Edition]	Unknown	$3.99	N/A	N/A	N/A
69	Beldum [1st Edition]	Unknown	$3.99	N/A	N/A	N/A
15	Tropius	Unknown	$3.95	N/A	N/A	N/A
50	Machoke	Unknown	$3.88	N/A	N/A	N/A
16	Vulpix [1st Edition]	Unknown	$3.84	N/A	N/A	N/A
16	Vulpix	Unknown	$3.83	N/A	N/A	N/A
3	Oddish	Unknown	$3.79	N/A	N/A	N/A
66	Castform	Unknown	$3.77	N/A	N/A	N/A
57	Jigglypuff	Unknown	$3.75	N/A	N/A	N/A
8	Bellossom	Unknown	$3.69	N/A	N/A	N/A
69	Beldum	Unknown	$3.63	N/A	N/A	N/A
53	Rhydon [1st Edition]	Unknown	$3.61	N/A	N/A	N/A
37	Luvdisc	Unknown	$3.59	N/A	N/A	N/A
2	Golbat	Unknown	$3.53	N/A	N/A	N/A
12	Masquerain [1st Edition]	Unknown	$3.49	N/A	N/A	N/A
74	Steven's Advice	Unknown	$3.49	N/A	N/A	N/A
42	Chinchou	Unknown	$3.42	N/A	N/A	N/A
82	Low Pressure System	Unknown	$3.32	N/A	N/A	N/A
29	Glalie	Unknown	$3.31	N/A	N/A	N/A
19	Sunny Castform	Unknown	$3.29	N/A	N/A	N/A
28	Snorunt	Unknown	$3.21	N/A	N/A	N/A

Cheapest Pokemon Japanese Undone Seal Cards

Card	#	Rarity	Raw Price	PSA 10
Steven's Advice [1st Edition]	74	Unknown	$1.00	N/A
Low Pressure System [1st Edition]	82	Unknown	$1.00	N/A
Machoke [1st Edition]	50	Unknown	$1.16	N/A
Tentacool [1st Edition]	20	Unknown	$1.16	N/A
Ancient Tomb [1st Edition]	79	Unknown	$1.99	N/A
Doduo [1st Edition]	59	Unknown	$1.99	N/A
Surskit	11	Unknown	$1.99	N/A
Ancient Technical Machine [Rock]	76	Unknown	$2.07	N/A
Clamperl	33	Unknown	$2.14	N/A
Nuzleaf	67	Unknown	$2.21	N/A
Tentacruel	21	Unknown	$2.23	N/A
Rhyhorn	52	Unknown	$2.24	N/A
Tentacool	20	Unknown	$2.27	N/A
Shuppet	46	Unknown	$2.33	N/A
Starmie	44	Unknown	$2.45	N/A
Doduo	59	Unknown	$2.47	N/A
Desert Ruins	80	Unknown	$2.48	N/A
High Pressure System	81	Unknown	$2.48	N/A
Gloom [1st Edition]	4	Unknown	$2.49	N/A
Ancient Technical Machine [Steel]	77	Unknown	$2.49	N/A

Pokemon Japanese Undone Seal Checklist by Number

#	Card	Raw Price	PSA 10
2	Golbat	$3.53	N/A
3	Oddish [1st Edition]	$7.49	N/A
3	Oddish	$3.79	N/A
4	Gloom	$5.33	N/A
5	Vileplume ex	$21.82	N/A
5	Vileplume ex [1st Edition]	$21.62	N/A
6	Pinsir [1st Edition]	$9.95	N/A
6	Pinsir	$8.54	N/A
7	Crobat [1st Edition]	$10.00	N/A
7	Crobat	$7.59	N/A
8	Bellossom [1st Edition]	$7.47	N/A
8	Bellossom	$3.69	N/A
9	Heracross [1st Edition]	$13.93	N/A
9	Heracross	$6.35	N/A
10	Seedot	$13.25	N/A
12	Masquerain	$7.20	N/A
12	Masquerain [1st Edition]	$3.49	N/A
14	Swalot	$5.52	N/A
15	Tropius	$3.95	N/A
16	Vulpix [1st Edition]	$3.84	N/A
16	Vulpix	$3.83	N/A
17	Ninetales [1st Edition]	$31.44	N/A
17	Ninetales	$19.99	N/A
18	Ninetales ex	$49.00	N/A
18	Ninetales ex [1st Edition]	$34.26	N/A
19	Sunny Castform [1st Edition]	$7.01	N/A
19	Sunny Castform	$3.29	N/A
22	Staryu [1st Edition]	$7.69	N/A
24	Feebas [1st Edition]	$4.99	N/A
24	Feebas	$4.60	N/A
25	Milotic	$33.53	N/A
25	Milotic [1st Edition]	$16.64	N/A
26	Rain Castform	$6.49	N/A
27	Snow-cloud Castform	$5.86	N/A
27	Snow-cloud Castform [1st Edition]	$5.72	N/A
28	Snorunt	$3.21	N/A
29	Glalie	$3.31	N/A
31	Sealeo	$4.28	N/A
32	Walrein	$5.96	N/A
32	Walrein [1st Edition]	$4.99	N/A
34	Huntail [1st Edition]	$5.48	N/A
34	Huntail	$4.69	N/A
35	Gorebyss [1st Edition]	$6.40	N/A
35	Gorebyss	$4.70	N/A
36	Relicanth [1st Edition]	$6.31	N/A
36	Relicanth	$5.00	N/A
37	Luvdisc	$3.59	N/A
38	Regice ex	$45.69	N/A
38	Regice ex [1st Edition]	$36.99	N/A
39	Kyogre ex [1st Edition]	$542.04	N/A

How many cards are in Pokemon Japanese Undone Seal?

Pokemon Japanese Undone Seal has 141 cards tracked with a total set value of $1918.59. Most valuable: Kyogre ex [1st Edition] ($542.04).

What is the most expensive card in Pokemon Japanese Undone Seal?

The most expensive Pokemon Japanese Undone Seal card is Kyogre ex [1st Edition] at $542.04. The set has 141 cards with a total value of $1918.59.

Is Pokemon Japanese Undone Seal a good investment?

Pokemon Japanese Undone Seal contains 141 priced cards worth $1918.59 total. The most expensive card is Kyogre ex [1st Edition] at $542.04. Check our Pokemon market movers for current trends.

When was Pokemon Japanese Undone Seal price data last updated?

Pokemon Japanese Undone Seal prices were last updated May 18, 2026. Guardian TCG refreshes card data daily from TCGPlayer, eBay, and CardMarket.

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7-Day Top Movers

Tinkaton (Scarlet & Violet Black Star Promos) — $5.78 (+496.6% this week)
Bulbasaur (95) (Expedition) — $142.39 (+495.2% this week)
Excalibur, Cleansing Light (Supporter Pack 3) — $33.08 (+495.0% this week)
Volda, Smolder's Spite (Mercurial Heart Alter Edition) — $16.68 (+493.6% this week)
Ethan's Ho-Oh ex (Destined Rivals) — $170.33 (+488.4% this week)
Fairy Whispers (Supporter Pack 2) — $102.00 (+487.2% this week)
Vulpix (HeartGold SoulSilver) — $16.07 (+486.5% this week)
Atmos Armor Type-Ares (Mercurial Heart) — $29.99 (+482.3% this week)

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Pokemon Japanese Undone Seal Price Guide — Card Values & Prices (2026)