Marnie

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

$31.14
Market price ▼ 0.8% (30d)
Prices as of Aug 16, 2026
SupporterArt · Naoki Saito
3,391graded pop
29%gem rate
5.3×PSA 10 vs raw
-28%off ATH $39.50 · Jul 2023
+$11.94EV to grade — marginal
Market data

Price history

Holofoil▲ 1.9% 7d
Low $26.00Mid $32.00

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Graded market

Graded values

PSA 10 report →updated 2026-08-16
Grade 6 est.$26.86
Grade 5 est.$22.62
Grade 4 est.$18.66
Grade 3 est.$15.55
Grade 2 est.$12.72
Grade 1 est.$10.74

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$164.86

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

Graded population census · updated 2026-07-07

PSA3,391 graded · 993 gem 10

Population data from PriceCharting, updated monthly.

How much is Marnie #SWSH121/307 worth?

As of August 16, 2026, Marnie #SWSH121/307 from SWSH Black Star Promos sells for around $31.14 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $164.86, roughly 5.3x the raw price, while a PSA 9 sits near $27.00. 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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