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Koffing [Shadowless] #51 Pokémon card from Base Set

Koffing [Shadowless] 51/102

Base Set

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Koffing [Shadowless] #51 from Base Set currently trades at $4.31 raw, with PSA 10 copies reaching $338.26 — a 78.5x grade premium. Price is down 11.9% in the last 30 days, though the 90-day trend tells a different story at +69.7% — worth watching for a clearer direction.
Current Prices (USD)
Ungraded
$4.31
PSA 7
$17.00
PSA 8
$20.69
PSA 9
$41.00
PSA 10
$338.26
ACE 10
—
BGS 10 Black
$2,200.00
CGC 10 Pristine
$102.00
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Raw Price Trend
7d
+11.7%
30d
-11.9%
90d
+69.7%
180d
+55.6%
1y
+115.5%
2y
+73.1%
5y
+116.6%

Quick price facts

Koffing [Shadowless] 51/102 from Base Set has a current raw market value of $4.31.

Current raw value
$4.31
PSA 9 value
$41.00
PSA 10 value
$338
Raw value 7d
+11.7%
Raw value 30d
-11.9%
PSA 10 premium vs raw
78.5× raw
View all cards from Base Set →
Collector Intel
78.5x
Raw → PSA 10
High-risk grade
9.5x
Raw → PSA 9
Grade multiplier
-11.9%
30d Price Move
Falling
Moderate
Price Stability
11.7% swing this week

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 78x the raw price. The expected value accounts for the realistic probability.
$4
Buy Raw
~$25
Grading Fee
PSA Standard
$338
PSA 10 Value
+$309
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$419.5x raw
PSA 10$33878.5x raw

Frequently asked questions

How much is Koffing [Shadowless] #51 from Base Set worth?+
Koffing [Shadowless] #51 from Base Set is currently worth Raw: $4.31, PSA 9: $41.00, PSA 10: $338 based on recent sold listings. Prices update daily from real eBay sales.
Is Koffing [Shadowless] #51 worth grading?+
The PSA 10 price of $338 is 78.5× the raw price of $4.31. After a ~$25 grading fee, a PSA 10 result would net approximately $334 — assuming the card grades a 10.
Where do PokePrices Koffing [Shadowless] #51 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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  • 27 Sep 2026Graded
    ebaycompleted-auctions-gradedunknown
    $75.00
  • 26 Sep 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $4.49
  • 24 Sep 2026Raw
    ebaycompleted-auctions-usednear mint
    $5.96
  • 22 Sep 2026Raw
    ebaycompleted-auctions-usedplayed
    $1.76
  • 22 Sep 2026Raw
    ebaycompleted-auctions-usedunknown
    $2.76