Base Expansion PackJPN
Set market cap
104 cards tracked dailyWhat to target in Base Expansion Pack
The top 10 cards are 47% of the set’s $5,985.00 estimated singles cost — plan these first and the rest follows on a normal budget.
| # | Card | Number | Rarity | Market | PSA 10 |
|---|---|---|---|---|---|
| 1 |  Blastoise | #108 | Holo Rare | $500.00 | $360.15 |
| 2 |  Pichu | #114 | Holo Rare | $450.00 | $2,837.40 |
| 3 |  Mew | #119 | Holo Rare | $400.16 | $1,148.00 |
| 4 |  Gengar | #117 | Holo Rare | $350.00 | $7,401.50 |
| 5 |  Butterfree | #98 | Holo Rare | $199.99 | $1,650.00 |
| 6 |  Tyranitar | #127 | Holo Rare | $199.99 | $3,450.00 |
| 7 |  Pidgeot | #123 | Holo Rare | $199.50 | $900.00 |
| 8 |  Alakazam | #116 | Holo Rare | $188.99 | $566.42 |
| 9 |  Clefable | #125 | Holo Rare | $185.00 | $1,200.00 |
| 10 |  Charizard | #103 | Holo Rare | $150.00 | $8,048.96 |
How Base Expansion Pack 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 Base Expansion Pack cards are worth grading?
Positive expected value after ~$25 fees at live PSA prices and this set's real gem rates.
Pichu #114raw $450.00 → PSA 10 $2,837.40 6.3×EV +$883.32Mew #119raw $400.16 → PSA 10 $1,148.00 2.9×EV +$580.61Gengar #117raw $350.00 → PSA 10 $7,401.50 21.1×EV +$4,098.65Butterfree #98raw $199.99 → PSA 10 $1,650.00 8.3×EV +$680.61Tyranitar #127raw $199.99 → PSA 10 $3,450.00 17.3×EV +$1,900.13Pidgeot #123raw $199.50 → PSA 10 $900.00 4.5×EV +$364.14Strong PSA 10 premium — the math works only on gem-worthy copies.
Fees eat most of the margin. Grade to preserve a pristine pull, not for profit.
Premiums and EV use tonight’s PSA prices and this set’s real gem rates — not projections.
What collectors say about Base Expansion Pack
Creators on Base Expansion Pack
Synthesized from widely-reported collector consensus — see a take that’s off? Use the report link on any card page.
Protect your Base Expansion Pack cards
This set has 15 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.
eBay →The archival-safe standard for cards you handle — double-sleeve chase cards with a perfect-fit inner.
eBay →Sleeve + toploader is the minimum for anything you might grade or sell raw.
eBay →Side-loaders keep cards from sliding out; zip closure keeps dust and drops away.
eBay →Affiliate links — purchases support CardPrice at no extra cost. Full guide: how to build & store a master set.
All cards 131
Most valuable cards in Base Expansion Pack
- Blastoise #108 — $500.00
- Pichu #114 — $450.00
- Mew #119 — $400.16
- Gengar #117 — $350.00
- Mewtwo #118 — $333.04
- Alakazam #116 — $244.21
- Butterfree #98 — $209.99
- Tyranitar #127 — $199.99
- Pidgeot #123 — $199.50
- Alakazam #116 — $188.99
About Base Expansion Pack (Japanese)
Base Expansion Pack (Japanese) is a Pokémon TCG expansion in the Japanese series, released on 2001-12-01. The set contains 131 cards — 128 in the base set plus 3 secret rares. The combined market value of a complete set is currently $7,072.64, with Blastoise #108 as the most valuable card at $500.00. Prices update nightly from live market data.
Base Expansion Pack (Japanese) — FAQ
How many cards are in Base Expansion Pack (Japanese)?
Base Expansion Pack (Japanese) contains 131 cards — 128 in the base set plus secret rares.
What is the most valuable card in Base Expansion Pack (Japanese)?
Blastoise #108 at $500.00, based on live market data updated nightly.
How much is a complete Base Expansion Pack (Japanese) set worth?
A complete raw set is currently worth about $7,072.64 at market prices.
When was Base Expansion Pack (Japanese) released?
Base Expansion Pack (Japanese) was released on 2001-12-01.