![Slowking [Reverse Holo] #55 Pokémon card from Lost Thunder](https://storage.googleapis.com/images.pricecharting.com/7eba5fdd2c4d5b4a81f48f9b32c9e3ef98dbde2ccb1a96fcd55bd21f83bf8f41/240.jpg)
Slowking [Reverse Holo] 55/214
Lost Thunder
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Slowking [Reverse Holo] #55 from Lost Thunder currently trades at $10.00 raw, with PSA 10 copies reaching $76.41: a 7.6x grade premium. The card has moved up 17.6% over the past 30 days and up 6.7% over 90 days, suggesting sustained buying interest.
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
+7.8%
30d
+17.6%
90d
+6.7%
180d
+99.6%
1y
+205.8%
2y
+150.0%
5y
+910.1%
Quick price facts
Slowking [Reverse Holo] 55/214 from Lost Thunder has a current raw market value of $10.00.
- Current raw value
- $10.00
- PSA 9 value
- $37.61
- PSA 10 value
- $76.41
- Raw value 7d
- +7.8%
- Raw value 30d
- +17.6%
- PSA 10 premium vs raw
- 7.6× raw
Collector Intel
7.6x
Raw → PSA 10
Grade multiplier
3.8x
Raw → PSA 9
Grade multiplier
+17.6%
30d Price Move
Rising
Moderate
Price Stability
7.8% 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.
$10
Raw Price
$76
PSA 10 Value
+$66
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$383.8x raw
PSA 10$767.6x raw
Frequently asked questions
Recent tracked sales
Find this card on eBay →Affiliate · we may earn commission
- 21 Oct 2026Rawebaycompleted-auctions-usedunknown$8.50
- 16 Oct 2026Rawebaycompleted-auctions-usednear mint$14.99
- 14 Oct 2026Rawebaycompleted-auctions-usedunknown$7.99
- 14 Oct 2026Rawtcgplayercompleted-auctions-usednear mint$10.46
- 12 Oct 2026Rawebaycompleted-auctions-usedunknown$7.00

