Marnie

SWSH Black Star Promos · #SWSH121/307 · Promo · 2019

$28.64
Market price ▼ 3.8% (30d)
Prices as of Nov 7, 2026
SupporterArt · Naoki Saito
3,391graded pop
29%gem rate
5.2×PSA 10 vs raw
-28%off ATH $39.50 · Jul 2023
+$12.56EV to grade — marginal
Market data

Price history

Holofoil▼ 1.2% 7d
Low $21.93Mid $30.00

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Graded market

Graded values

PSA 10 report →updated 2026-11-07
Grade 6 est.$27.55
Grade 5 est.$23.20
Grade 4 est.$19.14
Grade 3 est.$15.95
Grade 2 est.$13.05
Grade 1 est.$11.02

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$150.00

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-09-17

PSA3,391 graded · 993 gem 10

Population data from PriceCharting, updated monthly.

Auction sale integrity

New

Graded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →

Clean price · CGC 10
$30.00
Medium confidence — 2 sales
Recent sale price by grade · tracked by cert number
CGC 10
$25.00
last $29.00 · Oct 5, 2026 · 2 sales
CGC 8.5
$18.50
last $18.00 · Oct 5, 2026 · 2 sales
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How much is Marnie #SWSH121/307 worth?

As of November 8, 2026, Marnie #SWSH121/307 from SWSH Black Star Promos sells for around $28.64 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $150.00, roughly 5.2x the raw price, while a PSA 9 sits near $31.50. 3,391 copies have been graded to date, and 29% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.

Collecting SWSH Black Star Promos?Full master set guide — every card, chase list, and completion cost→

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