Image © The Pokémon Company, shown for identification.
Weakness Guard
Aquapolis · #141/147
Weakness Guard (141/147), the Uncommon from Aquapolis, has an estimated ungraded market price of about $58, typically in the $50–$65 range.
As of September 14, 2026 · tracked daily by Riffle · estimates, not financial advice · how these numbers work
The modeled fair value of this card, with a confidence grade: what it should trade at, not just what it lists at. Part of Riffle premium, alongside price history and the full graded ladder.
About Weakness Guard
Weakness Guard is a Uncommon (141/147) from the Pokémon Aquapolis set, released January 15, 2003. Ungraded copies currently trade at an estimated market price of $50–$65. The artwork is by Jungo Suzuki. Riffle tracks its market price daily; graded (PSA) comps and full price history are available with Riffle.
FAQ
How much is Weakness Guard (141/147) worth?
Weakness Guard (141/147), the Uncommon from Aquapolis, has an estimated ungraded market price of about $58, typically in the $50–$65 range.
Should I grade Weakness Guard (141/147)?
Ahead after fees: with a 46% PSA 10 gem rate and current graded prices, grading a near-mint Weakness Guard (141/147) is estimated to net about $271 more than selling it raw (est.).
Assumes ~$25/card bulk-rate grading (standard service costs more); ignores turnaround time, sub-9 grades, and shipping. A screen, not a promise.
Is Weakness Guard (141/147) rare?
Weakness Guard (141/147) is a Uncommon. PSA has graded 46 copies to date, so graded supply is measurable and growing.
How rare is a PSA 10 Weakness Guard (141/147)?
Of the 46 copies PSA has graded, 46% earned a PSA 10. That's a fairly typical gem rate for a modern card. Grade-by-grade population and pop-over-time appear with Riffle premium.
More from Aquapolis
Should I grade Weakness Guard?
Ahead after fees: grading nets ≈ +$271 vs selling raw (est.)
Expected grading return from this card’s own PSA grade mix (46% gem rate; grades under 8 valued at the PSA 8 price) and current graded market prices, minus a ~$25/card bulk-rate grading fee, compared against selling ungraded at market price. Standard grading service costs more; centering risk, turnaround time, and shipping aren’t included. The exact PSA 8/9/10 prices behind this are part of Riffle premium. Not financial advice.
PSA population & gem rate
From the PSA population census, captured monthly by Riffle. Grade-by-grade population and pop-over-time appear with Riffle premium.
- $50–$65 is the middle 80% of clean market activity, not the cheapest listing and not the most hopeful one.
- The band spans about ±13% around its midpoint: a moderate spread.
- Sampled daily since July 28, 2026, current as of September 14, 2026.
When the data thins, the band widens and says so, it never fakes precision. Exact source prices are part of Riffle premium; the band is Riffle’s own figure to publish. How these numbers work →