Underground Expedition Skyridge #140
Underground Expedition is a Uncommon Pokémon card from Skyridge (#140), illustrated by Kagemaru Himeno. It's a Supporter Trainer card. Its current blended market value is $81.47 ungraded, with a PSA 10 worth around $587 — a gem-mint grading premium of roughly 7× the raw value. Prices are aggregated across marketplaces — raw and graded, updated daily and shown in your local currency.
Prices last updated 5 July 2026.
| Grade | Relative value | Price |
|---|---|---|
| PSA 10pop 7 | $587$425–$588 | |
| PSA 9pop 43 | $77$35–$123 | |
| PSA 8pop 18 | $23$23–$23 |
Price history · raw near-mint
Not enough price history to chart yet.
Recent sold prices
No recent sold listings tracked.
Population across graders
Only 9% of 76 PSA-graded Underground Expedition copies are a gem-mint 10 (7 of 76) — the rest grade lower.
Full grade breakdown (6 grades)
Full grade breakdown (5 grades)
Should you grade it?
Only 9.2% of copies gem (PSA 10 best case +$420); most land at PSA 9 or below.
| Target grade | Est. value | Grading fee | Net vs raw | Multiple |
|---|---|---|---|---|
| PSA 10 | $586.91 | $85.86 | +$420 | 7.2× |
| PSA 9 | $77.48 | $70.76 | −$75 | 1.0× |
| PSA 8 | $22.50 | $70.22 | −$129 | 0.3× |
⚖️ Risk-adjusted return
Best case isn't the whole story. Weighting every grade by how often it actually happens, across 76 PSA-graded copies:
| Likely outcome | Chance | Value |
|---|---|---|
| PSA 10 | 9.2% | $587.00 |
| PSA 9 | 56.6% | $77.00 |
| PSA ≤8 | 34.2% | $81.00 |
Net = graded value − raw value − grading cost (tier fee + ~$20 round-trip shipping), using PSA fees as of 2026-06-28; the paused PSA Value tier is excluded so this isn't overstated. Gem rate is estimated from cumulative PSA population, which skews toward nicer, resubmitted copies — so it overstates the true grade rate. Treat it as a guide, not a guarantee.
We'll email you when this card's value crosses your target.
Where to buy
Market dataCross-market spread, EU price, momentum & community buzz
Card text
You can play only 1 Supporter card each turn. When you play this card, put it next to your Active Pokémon. When your turn ends, discard this card.
Look at the bottom 4 cards of your deck. Put 2 of those cards into your hand, and then return the remaining cards to the bottom of your deck in any order.
Card details
Other Underground Expedition cards
There are 4 different Underground Expedition printings — make sure you're valuing the right one. This is Skyridge #140 (Uncommon).
More from Skyridge
Frequently asked questions
How much is Underground Expedition (Skyridge #140) worth?
As of 5 July 2026, Underground Expedition from Skyridge is worth approximately $81.47 ungraded (near-mint), and around $587 in PSA 10 gem mint. Values are blended from real Cardmarket, eBay sold and TCGplayer prices and update daily.
What is the PSA 10 price for Underground Expedition?
A PSA 10 (gem mint) Underground Expedition from Skyridge is worth around $587 — roughly 7× the raw ungraded value of $81.47.
Should I grade my Underground Expedition?
A PSA 10 sells for about $587 versus $81.47 raw — roughly a 7× uplift. Grading is worth it when that premium comfortably beats the grading fee and the card is clean enough to have a real shot at a 10. See the "Should you grade it?" estimate above for net profit per grade.
Is Underground Expedition rare?
Underground Expedition is a Uncommon card from Skyridge (card #140), illustrated by Kagemaru Himeno. Its current blended market value is $81.47 ungraded.