Potion
Holon Research Tower Water Quarter Deck · #8/15 · None · 2005JPN
$6.00
1st Edition · Market price ▲ 0.0% (30d)
Prices as of Aug 14, 2026
2graded pop
50%gem rate
Market data
Printings & price history
1st Edition▲ 0.0% 7d$6.00
Low $4.99Mid $6.00High $7.00
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Graded population census · updated 2026-07-08
CGC2 graded · 1 gem 10
Population data from PriceCharting, updated monthly.
How much is Potion #8/15 worth?
A raw copy of Potion #8/15 (Holon Research Tower Water Quarter Deck, 2005) is worth about $1.00 right now, based on the latest market data from August 14, 2026. Across the 2 printings we track, copies run anywhere from $1.00 to $7.00 depending on the version you're holding.
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.
