Blastoise-GX
SetSM Black Star Promos
Year2017
RarityPromo
HP240
TypesWater
Number#SM189
Ungraded
$17.00+$1.75
89 sales · last Jul 17, 2026
PSA 7
$21.01
3 sales · last Jul 19, 2026
PSA 8
$23.10−$6.90
10 sales · last Jun 22, 2026
PSA 9
$50.00+$4.01
14 sales · last Jul 12, 2026
PSA 10
$385.00+$35.00
16 sales · last Jul 12, 2026
Blastoise-GX price guide
Blastoise-GX is a collectible Pokémon card from the SM Black Star Promos expansion (2017). Setlot tracks 132 recorded sales for this card across 5 grade tiers, 50 of them in the last 90 days. PSA 10 copies have a 90-day median of $385.00. Ungraded copies currently trade around $17.00. The top grade commands 23× the ungraded price — grading meaningfully changes what this card is worth. The highest sale on record is $500.00 (PSA 10, May 29, 2026). 11 listings are live right now with asks from $10.99.
Price history
Grading premium
Median graded price vs. the ungraded copy ($17.00) — a rough read on whether grading pays off.
PSA 7
1.2×
$21.01
PSA 8
1.4×
$23.10
PSA 9
2.9×
$50.00
PSA 10
23×
$385.00
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 | Blastoise GX Jumbo Pokemon TCG #SM189 2019 Black Star Promo pocket_monster_collector_stadium | eBay | 3mo ago | $10.99↗ |
| 2019 Pokemon Sun & Moon Black Star Promo GMA 8 Blastoise GX Full Art #SM189 afatyii_123 | eBay | 3mo ago |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 37 | $17.00 | $6.00 – $140.72 |
| PSA 7 | 3 | $21.01 | $18.31 – $45.00 |
| PSA 8 | 3 | $32.00 | $23.10 – $60.00 |
| PSA 9 | 4 | $51.00 | $40.00 – $60.00 |
| PSA 10 | 3 | $385.00 | $373.21 – $467.57 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jul 19, 2026 | PSA 7 | Pokemon Co 2019 Blastoise GX SM189 SM Black Star Promo Holo Eng PSA 7↗ | eBay | $45.00 |
| Jul 17, 2026 | Ungraded | Pokémon TCG Blastoise GX #SM189 Sun & Moon Black Star Promo, LP To NM Condition.↗ | eBay | $18.00 |
| Jul 13, 2026 | Ungraded | Pokemon Blastoise GX TCG SM189 Black Star Promo #SM189 2019 - POP 4 - ACE 10↗ | eBay | $140.72 |
| Jul 13, 2026 | Ungraded | Pokémon Black Star Promo Sun & Moon #SM189 Blastoise GX↗ |
