Mewtwo-GX
SetShining Legends
Year2017
RarityRare Secret
HP190
TypesPsychic
Number#78
Ungraded
$601.59
28 sales · last Jul 23, 2026
PSA 5
$700.00
1 sales · last Jul 6, 2026
PSA 6
$40.00
1 sales · last Jul 6, 2026
PSA 7
$877.77
1 sales · last Jul 21, 2026
PSA 8
$870.00
5 sales · last Jul 18, 2026
BGS 8.5
$1,000.00
1 sales · last Jul 7, 2026
PSA 9
$1,807.58
7 sales · last Jul 16, 2026
PSA 10
$9,100.00
3 sales · last Jul 20, 2026
Mewtwo-GX price guide
Mewtwo-GX is a collectible Pokémon card from the Shining Legends expansion (2017). Setlot tracks 47 recorded sales for this card across 8 grade tiers, 47 of them in the last 90 days. PSA 10 copies have a 90-day median of $9,100.00. Ungraded copies currently trade around $601.59. The top grade commands 15× the ungraded price — grading meaningfully changes what this card is worth. The highest sale on record is $10,100.00 (PSA 10, Jul 12, 2026). 28 listings are live right now with asks from $287.27.
Price history
Grading premium
Median graded price vs. the ungraded copy ($601.59) — a rough read on whether grading pays off.
PSA 5
1.2×
$700.00
PSA 6
0.1×
$40.00
PSA 7
1.5×
$877.77
PSA 8
1.4×
$870.00
BGS 8.5
1.7×
$1,000.00
PSA 9
3.0×
$1,807.58
PSA 10
15×
$9,100.00
Live listings
Search on eBay ↗Lowest asks per grade. Older listings may have ended — “seen” is when we last confirmed each one.
| Grade | Listing | Marketplace | Seen | Price |
|---|---|---|---|---|
| Ungraded 16 tracked | Mewtwo GX 78/73 Shining Legend kittycollection999 | eBay | 3mo ago | $287.27↗ |
| Mewtwo GX 78/73 Shining Legends Secret Rare 190 HP Holo Metal English 2017 relentles_6027 | eBay | 3mo ago | $300.00 |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 28 | $601.59 | $264.07 – $1,100.00 |
| PSA 5 | 1 | $700.00 | $700.00 |
| PSA 6 | 1 | $40.00 | $40.00 |
| PSA 7 | 1 | $877.77 | $877.77 |
| PSA 8 | 5 | $870.00 | $830.00 – $1,099.00 |
| BGS 8.5 | 1 | $1,000.00 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jul 23, 2026 | Ungraded | Mewtwo GX 78/73 Secret Rare Shining Legends Pokemon Holo Moderately Played↗ | eBay | $525.99 |
| Jul 21, 2026 | PSA 7 | 2017 POKEMON SUN & MOON SHINING LEGENDS SECRET #78 MEWTWO GX PSA 7 NM↗ | eBay | $877.77 |
| Jul 20, 2026 | PSA 10 | 2017 Pokemon Sun & Moon Shining Legends Secret #78 Mewtwo GX PSA 10 GEM MINT↗ | eBay | $8,700.00 |
| Jul 18, 2026 | PSA 8 | 2017 Pokemon Shining Legends Mewtwo GX Secret Rare #78 PSA 8 Holo↗ |
