Meganium

Expedition Base Set · #18/165 · Rare Holo · 2002

All 52 Meganium cards ranked by value →

$100.10

18 · Reverse Holofoil · Market price ▲ 11.2% (30d)

Prices as of Nov 6, 2026

18 18 · Reverse Holofoil

HP 100GrassStage 2Art · Hajime Kusajima

915graded pop

5%gem rate

$50.00eBay floor · 10 livesupply ▲ 11% · 30d

$17,512.49PSA 10 floor · 4 livesupply ▲ 100% · 16d

Market data

Printings & price history

18 · Reverse Holofoil▲ 0.0% 7d$100.10

Low $74.00

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Live listings

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Graded market

Graded values

PSA 10 report →updated 2026-11-06

Grade 6 est.$58.43

Grade 5 est.$49.20

Grade 4 est.$40.59

Grade 3 est.$33.83

Grade 2 est.$27.68

Grade 1 est.$23.37

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$3,600.00

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

Graded population census · updated 2026-09-28

Reverse Holofoil

PSA269 graded · 46 gem 10

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CGC116 graded · 13 gem 10

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Population data from PriceCharting, updated monthly.

Auction sale integrity

New

Graded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →

Clean price · PSA 10

$20,700.00

Medium confidence — 2 sales

Recent sale price by grade · tracked by cert number

PSA 10

$17,250.00

last $26,500.00 · Sep 21, 2026 · 2 sales

CGC 8.5

$170.00

last $170.00 · Aug 24, 2026 · 1 sale

CGC 7

$130.00

last $130.00 · Sep 14, 2026 · 1 sale

CGC 8

$100.00

last $100.00 · Aug 10, 2026 · 1 sale

CGC 6.5

$82.00

last $82.00 · Aug 31, 2026 · 1 sale

PSA 10 · Rev Holo

$3,600.00

last $3,600.00 · Oct 5, 2026 · 1 sale

PSA 8 · Rev Holo

$115.00

last $115.00 · Sep 28, 2026 · 1 sale

CGC 9.5 · Rev Holo

$105.00

last $105.00 · Aug 24, 2026 · 1 sale

Unconfirmed

CGC 2.5 · 12 bids · Oct 5, 2026

$27.00

Unconfirmed

PSA 10 · 24 bids · Oct 5, 2026

$3,600.00

Unconfirmed

PSA 8 · 17 bids · Sep 28, 2026

$115.00

Verified

PSA 10 · 35 bids · Sep 21, 2026

$26,500.00

Unconfirmed

CGC 7 · 13 bids · Sep 14, 2026

$130.00

Verified

PSA 10 · 36 bids · Aug 31, 2026

$8,000.00

Unconfirmed

CGC 6.5 · 16 bids · Aug 31, 2026

$82.00

Unconfirmed

CGC 9.5 · 7 bids · Aug 24, 2026

$105.00

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More Meganium cards all 52 ranked by value →

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Meganium exUnseen Forces · 2005$200.52

MeganiumNeo Genesis · 2000$85.63

Meganium δDragon Frontiers · 2006$66.08

MeganiumHeartGold & SoulSilver · 2010$92.66

Abilities

Soothing Aroma

Once during your turn (before your attack), you may flip a coin. If heads, remove 1 damage counter from each of your Pokémon that has any. This power can't be used if Meganium is affected by a Special Condition.

Attacks

40Poisonpowder

The Defending Pokémon is now Poisoned.

How much is Meganium #18/165 worth?

Right now (November 6, 2026) the going rate for an ungraded Meganium #18/165 from Expedition Base Set is about $189.50. Across the 2 printings we track, copies run anywhere from $74.00 to $1,845.65 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $28,050.00, roughly 148.0x the raw price, while a PSA 9 sits near $452.57. 739 copies have been graded to date, and 5% 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 Expedition Base Set?Full master set guide — every card, chase list, and completion cost→