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Mamoswine [Reverse Holo] #28 Pokémon card from Plasma Storm

Mamoswine [Reverse Holo] 28/135

Plasma Storm

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Mamoswine [Reverse Holo] #28 from Plasma Storm currently trades at $5.53 raw, with PSA 10 copies reaching $90.43: a 16.4x grade premium. The card has moved up 6.3% over the past 30 days and up 1.3% over 90 days, suggesting sustained buying interest.
Current Prices (USD)
Ungraded
$5.53
PSA 7
$37.38
PSA 8
$37.38
PSA 9
$37.38
PSA 10
$90.43
ACE 10
—
BGS 10 Black
$590.00
CGC 10 Pristine
$65.00
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Raw Price Trend
7d
+0.0%
30d
+6.3%
90d
+1.3%
180d
+5.3%
1y
+29.8%
2y
+168.4%
5y
—

Quick price facts

Mamoswine [Reverse Holo] 28/135 from Plasma Storm has a current raw market value of $5.53.

Current raw value
$5.53
PSA 9 value
$37.38
PSA 10 value
$90.43
Raw value 30d
+6.3%
PSA 10 premium vs raw
16.4× raw
View all cards from Plasma Storm →
Collector Intel
16.4x
Raw → PSA 10
High-risk grade
6.8x
Raw → PSA 9
Grade multiplier
+6.3%
30d Price Move
Rising
Steady
Price Stability
0.0% swing this week

Calculated from price history, PSA population data, and market trends. Not financial advice.

Grading Calculator

Figures below are the gross raw-to-PSA-10 spread. PSA grading fees vary by card value and service tier — check psacard.com/services for the fee applicable to this card. Assumes a perfect PSA 10; actual outcome depends on card condition.

⚠️ High-variance grade. PSA 10 is 16x the raw price. The expected value accounts for the realistic probability.
$6
Raw Price
$90
PSA 10 Value
+$85
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$376.8x raw
PSA 10$9016.4x raw

Frequently asked questions

How much is Mamoswine [Reverse Holo] #28 from Plasma Storm worth?+
Mamoswine [Reverse Holo] #28 from Plasma Storm currently reads Raw: $5.53, PSA 9: $37.38, PSA 10: $90.43 in our aggregated recent-sales price guide. The guide is rebuilt nightly from sold-sales data across the major Pokémon TCG marketplaces, never asking prices.
Is Mamoswine [Reverse Holo] #28 worth grading?+
The PSA 10 price of $90.43 is 16.4× the raw price of $5.53. Grading fees vary by card value and PSA service tier — see PSA's current fee page before submitting.
Where do PokePrices Mamoswine [Reverse Holo] #28 prices come from?+
Raw, PSA 9 and PSA 10 figures come from our aggregated recent-sales price guide, rebuilt nightly from sold-sales data across the major Pokémon TCG marketplaces. The displayed values are guide numbers, not individual listings. PSA population data is sourced directly from PSA's public population reports. Asking prices are never used; only confirmed sales activity feeds the guide.

Recent tracked sales

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  • 23 Oct 2026Raw
    ebaycompleted-auctions-usednear mint
    $7.99
  • 20 Oct 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $4.00
  • 23 Aug 2026Raw
    ebaycompleted-auctions-usedplayed
    $4.49
  • 17 Aug 2026Raw
    ebaycompleted-auctions-usedlightly played
    $6.26
  • 13 Aug 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $5.99