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Unown I [Reverse Holo] #37 Pokémon card from Mysterious Treasures

Unown I [Reverse Holo] 37/123

Mysterious Treasures

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Unown I [Reverse Holo] #37 from Mysterious Treasures currently trades at $4.99 raw, with PSA 10 copies reaching $134.73 — a 27.0x grade premium. The card has moved up 10.4% over the past 30 days and up 35.6% over 90 days, suggesting sustained buying interest.
Current Prices (USD)
Ungraded
$4.99
PSA 7
$14.05
PSA 8
$14.05
PSA 9
$14.05
PSA 10
$134.73
ACE 10
—
BGS 10 Black
$875.00
CGC 10 Pristine
$146.00
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Raw Price Trend
7d
—
30d
+10.4%
90d
+35.6%
180d
+17.1%
1y
+10.6%
2y
+149.5%
5y
+807.3%

Quick price facts

Unown I [Reverse Holo] 37/123 from Mysterious Treasures has a current raw market value of $4.99.

Current raw value
$4.99
PSA 9 value
$14.05
PSA 10 value
$135
Raw value 30d
+10.4%
PSA 10 premium vs raw
27.0× raw
View all cards from Mysterious Treasures →
Collector Intel
27.0x
Raw → PSA 10
High-risk grade
2.8x
Raw → PSA 9
Grade multiplier
+10.4%
30d Price Move
Rising

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

Grading Calculator

Based on PSA Standard tier (~$25 USD). Assumes a perfect PSA 10 result — actual outcome depends on card condition.

⚠️ High-variance grade. PSA 10 is 27x the raw price. The expected value accounts for the realistic probability.
$5
Buy Raw
~$25
Grading Fee
PSA Standard
$135
PSA 10 Value
+$105
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$142.8x raw
PSA 10$13527.0x raw

Frequently asked questions

How much is Unown I [Reverse Holo] #37 from Mysterious Treasures worth?+
Unown I [Reverse Holo] #37 from Mysterious Treasures is currently worth Raw: $4.99, PSA 9: $14.05, PSA 10: $135 based on recent sold listings. Prices update daily from real eBay sales.
Is Unown I [Reverse Holo] #37 worth grading?+
The PSA 10 price of $135 is 27.0× the raw price of $4.99. After a ~$25 grading fee, a PSA 10 result would net approximately $130 — assuming the card grades a 10.
Where do PokePrices Unown I [Reverse Holo] #37 prices come from?+
Prices are tracked nightly from real sold listings on PriceCharting (raw, PSA 9 and PSA 10). PSA population data is sourced from PSA's public reports. We do not use asking prices — only confirmed sales.

Recent verified sales

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  • 16 Sep 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $10.56
  • 15 Sep 2026Raw
    ebaycompleted-auctions-usedunknown
    $3.74
  • 28 Aug 2026Raw
    ebaycompleted-auctions-usedunknown
    $14.99
  • 20 Aug 2026Raw
    ebaycompleted-auctions-usedunknown
    $4.99
  • 6 Aug 2026Raw
    ebaycompleted-auctions-usedplayed
    $1.99