Holon Research TowerJPN
Set market cap
58 cards tracked dailyWhat to target in Holon Research Tower
The top 10 cards are 72% of the set’s $2,114.00 estimated singles cost — plan these first and the rest follows on a normal budget.
| # | Card | Number | Rarity | Market | PSA 10 |
|---|---|---|---|---|---|
| 1 |  Umbreon | #69 | Holo Rare | $412.50 | $754.03 |
| 2 |  Vaporeon | #30 | Holo Rare | $275.00 | $425.01 |
| 3 |  Ditto | #24 | Rare | $250.00 | $408.30 |
| 4 |  Dragonite | #39 | Holo Rare | $120.00 | $589.21 |
| 5 |  Latios | #42 | Holo Rare | $100.00 | $1,762.90 |
| 6 |  Gardevoir | #50 | Holo Rare | $90.00 | $940.00 |
| 7 |  Marowak | #58 | Holo Rare | $85.00 | $321.09 |
| 8 |  Ditto | #7 | Rare | $75.00 | $1,080.00 |
| 9 |  Rayquaza | #43 | Holo Rare | $69.99 | $2,075.80 |
| 10 |  Sandslash | #57 | Holo Rare | $54.00 | $332.00 |
How Holon Research Tower is built
Rarity breakdown
Price distribution
Most cards are bulk — the set’s value concentrates in a few chase cards.
Singles or sealed?
Sealed product comparison
Which Holon Research Tower cards are worth grading?
Positive expected value after ~$25 fees at live PSA prices and this set's real gem rates.
Umbreon #69raw $412.50 → PSA 10 $754.03 1.8×EV +$33.19Ditto #24raw $250.00 → PSA 10 $408.30 1.6×EV +$33.51Dragonite #39raw $120.00 → PSA 10 $589.21 4.9×EV +$181.18Latios #42raw $100.00 → PSA 10 $1,762.90 17.6×EV +$559.71Gardevoir #50raw $90.00 → PSA 10 $940.00 10.4×EV +$296.01Marowak #58raw $85.00 → PSA 10 $321.09 3.8×EV +$76.44Strong PSA 10 premium — the math works only on gem-worthy copies.
Premiums and EV use tonight’s PSA prices and this set’s real gem rates — not projections.
Protect your Holon Research Tower cards
This set has 5 cards worth $100+ — sleeve-and-toploader territory at minimum, and the chase cards deserve double-sleeving.
Every card worth more than bulk goes in a sleeve before anything else touches it.
Amazon →eBay →The archival-safe standard for cards you handle — double-sleeve chase cards with a perfect-fit inner.
Amazon →eBay →Affiliate links — purchases support CardPrice at no extra cost. Full guide: how to build & store a master set.
All cards 86
Most valuable cards in Holon Research Tower
- Metagross Star #75 — $1,131.01
- Kyogre Star #28 — $500.00
- Groudon Star #56 — $450.86
- Umbreon #69 — $412.50
- Vaporeon #30 — $275.00
- Ditto #24 — $199.99
- Dragonite #39 — $120.00
- Latios #42 — $100.00
- Ditto #33 — $98.00
- Gardevoir #50 — $90.00
About Holon Research Tower (Japanese)
Holon Research Tower (Japanese) is a Pokémon TCG expansion in the Japanese series, released on 2005-10-28. The set contains 86 cards. The combined market value of a complete set is currently $4,520.82, with Metagross Star #75 as the most valuable card at $1,131.01. Prices update nightly from live market data.