Tapu Koko-GX
SetSM Black Star Promos
Year2017
RarityPromo
HP170
TypesLightning
Number#SM50
Ungraded
$2.50+$1.01
57 sales · last Jul 10, 2026
PSA 8
$19.09
2 sales · last May 20, 2026
Tapu Koko-GX price guide
Tapu Koko-GX is a collectible Pokémon card from the SM Black Star Promos expansion (2017). Setlot tracks 59 recorded sales for this card across 2 grade tiers, 57 of them in the last 90 days. PSA 8 copies have a 90-day median of $19.09. Ungraded copies currently trade around $2.50. The top grade commands 7.6× the ungraded price — grading meaningfully changes what this card is worth. The highest sale on record is $19.99 (PSA 8, May 20, 2026). 4 listings are live right now with asks from $0.99.
Price history
Grading premium
Median graded price vs. the ungraded copy ($2.50) — a rough read on whether grading pays off.
PSA 8
7.6×
$19.09
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 4 tracked | Pokemon Tapu Koko-GX (SM50/251) SM Black Star Promos LP HOLO hdee93 | eBay | 1mo ago | $0.99↗ |
| Pokemon Tapu Koko-GX (SM50/251) SM Black Star Promos LP HOLO letsmakeadeal31 | eBay | 1mo ago |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 55 | $2.50 | $0.99 – $7.00 |
| PSA 8 | 2 | $19.09 | $18.19 – $19.99 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jul 10, 2026 | Ungraded | Tapu Koko GX SM50 Pokemon Black Star Promo Holo↗ | eBay | $2.00 |
| Jul 9, 2026 | Ungraded | Tapu Koko GX Shiny Holo Black Star Promo SM50 NM↗ | eBay | $4.49 |
| Jul 8, 2026 | Ungraded | Tapu Koko GX SM50 (LP) Promo Sun and Moon↗ | eBay | $2.87 |
| Jul 6, 2026 | Ungraded | Tapu Koko GX SM50 Holo Promo HP | Pokemon Sun & Moon↗ | eBay | $1.37 |
