![Koffing [Reverse Holo] #28 Pokémon card from Hidden Fates](https://storage.googleapis.com/images.pricecharting.com/6c05e57cb2c045d91d80b8b62b2800cd80ccf3f939bebbfbf3eab6e5cbc516c2/240.jpg)
Koffing [Reverse Holo] 28/68
Hidden Fates
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Koffing [Reverse Holo] #28 from Hidden Fates currently trades at $0.72 raw, with PSA 10 copies reaching $39.00 — a 54.2x grade premium. Price is down 23.4% in the last 30 days, though the 90-day trend tells a different story at +44.0% — worth watching for a clearer direction.
Current Prices (USD)
Ungraded
PSA 7
PSA 8
PSA 9
PSA 10
ACE 10
BGS 10 Black
CGC 10 Pristine
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Raw Price Trend
7d
-25.0%
30d
-23.4%
90d
+44.0%
180d
+140.0%
1y
-54.1%
2y
-47.8%
5y
-50.7%
Quick price facts
Koffing [Reverse Holo] 28/68 from Hidden Fates has a current raw market value of $0.72.
- Current raw value
- $0.72
- PSA 9 value
- $32.75
- PSA 10 value
- $39.00
- Raw value 7d
- -25.0%
- Raw value 30d
- -23.4%
- PSA 10 premium vs raw
- 54.2× raw
Collector Intel
54.2x
Raw → PSA 10
High-risk grade
45.5x
Raw → PSA 9
Grade multiplier
-23.4%
30d Price Move
Falling
Volatile
Price Stability
25.0% 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 54x the raw price. The expected value accounts for the realistic probability.
$1
Buy Raw
~$25
Grading Fee
PSA Standard
$39
PSA 10 Value
+$13
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$3345.5x raw
PSA 10$3954.2x raw