Grade Matrix
Graded
PSA 6
-
Grade 7 guide
$7
Grade 8 guide
$20
Grade 9 guide
$28
PSA 10
$159
PSA 10: PriceCharting · last PSA 10 sale $301.69 on Aug 3, 2026 · checked Oct 25, 2026
Grade 9: No recent PSA 9 sales. PriceCharting Grade 9 guide, mixing PSA, CGC, BGS, SGC and TAG 9s.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
CGC
CGC 8
-
CGC 9
-
CGC 10
$75
CGC P10
-
Availability
Availabilityi
6/10G: —
Graded: insufficient data · Sales per year: ~13 sales/yr · Recent sales: 2 PSA 10 comps · Raw recent sales: 58 · Grade 9 recent sales: 2 · PSA 10 recent sales: 3
TCGplayer Price History
HolofoilProduct 137876Fetched Oct 23, 3:47 AM
Weekly market
$2.31
week ending Oct 22
Weekly avg sale
$2.62
week ending Oct 22
Units sold (week)
2
week ending Oct 22
Card Value FAQ
How much is Shiny Tapu Koko GX (Promo #SM50) worth?
GemDelta shows Shiny Tapu Koko GX (Promo #SM50) at $2.37 market price (TCGplayer market). Its Delta multiple is 67.2x.
How much is a PSA 10 Shiny Tapu Koko GX (Promo #SM50) worth?
A PSA 10 Shiny Tapu Koko GX (Promo #SM50) is currently shown at $159. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.
PSA 10 Recent sales
| Date | Listing | Sale |
|---|---|---|
| Aug 3, 2026 | Pokemon Tapu Koko Gx Sm Black Star Promo SM50 Shiny Bx. PSA 10 Gem Mint #SM50 | $301.69 |
| Jul 2, 2026 | 2017 POKEMON SM BLACK STAR PROMO SHINY TAPU KOKO GX BOX TAPU KOKO GX PSA 10 #SM50 | $17.00 |