Unown

Lost Thunder · #91/214 · Rare · 2018

$1.99
91 · Reverse Holofoil · Market price 6.4% (30d)
Prices as of Aug 14, 2026
HP 60PsychicBasicArt · Hasuno
6graded pop
33%gem rate
42.8×PSA 10 vs raw
-11%off ATH $2.00 · Jul 2026
Market data

Printings & price history

91 · Reverse Holofoil 2.1% 7d$1.99
Low $1.39Mid $1.99

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Graded market

Graded values

PSA 10 report →updated 2026-08-14
Grade 6 est.$1.89
Grade 5 est.$1.59
Grade 4 est.$1.31
Grade 3 est.$1.09
Grade 2 est.$0.90
Grade 1 est.$0.76

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

Reverse Holofoil · PSA 10 price history$39.74

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-08-02

Reverse Holofoil
PSA5 graded · 2 gem 10

Population data from PriceCharting, updated monthly.

Abilities

HAND
Once during your turn (before your attack), if this Pokémon is your Active Pokémon, and if you have 35 or more cards in your hand, you may use this Ability. If you do, you win this game.

Attacks

10Hidden Power

Shaped like ancient writing, it is a huge mystery whether language or Unown came first.

How much is Unown #91/214 worth?

Right now (August 14, 2026) the going rate for an ungraded Unown #91/214 from Lost Thunder is about $1.00. Across the 2 printings we track, copies run anywhere from $0.50 to $28.60 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $85.25, roughly 85.3x the raw price, while a PSA 9 sits near $15.06. 5 copies have been graded to date, and 40% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.

Collecting Lost Thunder?Full master set guide — every card, chase list, and completion cost