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Porygon [Blue Back] #137 Pokémon card from Japanese Topsun
Japanese

Porygon [Blue Back] 137/248

Topsun· Language: Japanese

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Porygon [Blue Back] #137 from Japanese Topsun currently trades at $26.12 raw, with PSA 10 copies reaching $1047.98: a 40.1x grade premium. The card has moved up 46.1% over the past 30 days and up 38.6% over 90 days, suggesting sustained buying interest.
Current Prices (USD)
Ungraded
$26.12
PSA 7
$34.00
PSA 8
$42.89
PSA 9
$386.41
PSA 10
$1,047.98
ACE 10
—
BGS 10 Black
$6,810.00
CGC 10 Pristine
$1,757.00
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Raw Price Trend
7d
—
30d
+46.1%
90d
+38.6%
180d
—
1y
+78.4%
2y
+164.1%
5y
—

Quick price facts

Porygon [Blue Back] 137/248 from Topsun has a current raw market value of $26.12.

Current raw value
$26.12
PSA 9 value
$386
PSA 10 value
$1,048
Raw value 30d
+46.1%
PSA 10 premium vs raw
40.1× raw
View all cards from Topsun →
Collector Intel
40.1x
Raw → PSA 10
High-risk grade
14.8x
Raw → PSA 9
Grade multiplier
+46.1%
30d Price Move
Rising

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 40x the raw price. The expected value accounts for the realistic probability.
$26
Raw Price
$1,048
PSA 10 Value
+$1,022
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$38614.8x raw
PSA 10$1,04840.1x raw

Frequently asked questions

How much is Porygon [Blue Back] #137 from Japanese Topsun worth?+
Porygon [Blue Back] #137 from Japanese Topsun currently reads Raw: $26.12, PSA 9: $386, PSA 10: $1.0k 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 Porygon [Blue Back] #137 worth grading?+
The PSA 10 price of $1.0k is 40.1× the raw price of $26.12. Grading fees vary by card value and PSA service tier — see PSA's current fee page before submitting.
Where do PokePrices Porygon [Blue Back] #137 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.