What is the starting value for Marnie #SWSH121?

The ungraded version of Marnie #SWSH121 is currently valued around $30.

How much is a PSA 10 copy worth?

A PSA 10 graded copy of this Pokémon Promo sells for approximately $166.

Is there a significant price difference between ungraded and graded?

Yes, there is a substantial difference, with a Grade 9 copy valued at $38 compared to the ungraded price.

Marnie #SWSH121 — Pokémon Promo Card Value

Name: Marnie #SWSH121 — Pokémon Promo Card Value
Brand: Pokémon

Pokémon Promo

What the Marnie #SWSH121 card from Pokémon Promo is worth — ungraded and graded (PSA 10).

Marnie #SWSH121 value — Ungraded $30 · Grade 9 $38 · PSA 10 $166. Prices updated July 2026.

Set · Pokémon PromoGame · Pokémon

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↗ Rising · +9%

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Value by grade

$30

Ungraded

+27%

$38

Grade 9

5.5×

$166

PSA 10

Real sold prices per grade — the PSA 10 premium on this card is 5.5× raw.

Complete-in-box price history

Monthly CIB value, based on sold comps.

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PriceCharting — Marnie #SWSH121 (Pokémon Promo)$30.18

Item details

Brand: Pokémon
Set: Pokémon Promo
Game: Pokémon

Marnie #SWSH121 (Pokémon Promo) card value

An ungraded Marnie #SWSH121 from Pokémon Promo averages around $30. A Grade 9 copy runs about $38, and a PSA 10 gem-mint commands $166.

What drives the price

Centering, corners, edges, and surface decide a card's grade — and the grade decides the price. The jump from raw to PSA 10 can be 5–20×, so condition is everything. Holos, first editions, and shadowless prints carry the biggest premiums.

Price guide

Sold values by grade vs. what sellers ask today

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Condition	Value	Based on
Ungraded	$30	eBay sold comps
Grade 9	$38	eBay sold comps
PSA 10	$166	eBay sold comps

Frequently asked questions

What is the starting value for Marnie #SWSH121?: The ungraded version of Marnie #SWSH121 is currently valued around $30.
How much is a PSA 10 copy worth?: A PSA 10 graded copy of this Pokémon Promo sells for approximately $166.
Is there a significant price difference between ungraded and graded?: Yes, there is a substantial difference, with a Grade 9 copy valued at $38 compared to the ungraded price.