Only five cards from Secret Wonders, the third Diamond & Pearl expansion, are worth grading, and only in near-mint condition. Holo Charizard #3, its reverse-holo version, Gardevoir LV.X #131, Lugia #14 and reverse-holo Mew #15 carry enough PSA 10 premium to justify fees.
Secret Wonders is the third Diamond & Pearl TCG expansion, released November 7, 2007, with 132 cards. Heritage Auctions and an October 18, 2007 Anime News Network press release date prereleases to October 27-November 4, 2007. Grading means PSA authentication with a 1-10 condition score, and this set rarely earns gem mint.
Table of Contents
- Why does Charizard #3 lead?
- Is the reverse-holo Charizard worth it?
- Which other cards clear the bar?
- When should you skip grading?
Why does Charizard #3 lead?
Holo Charizard #3 is the clear top target. CardCodex reports only 51 PSA 10s from about 2,718 submissions, a 1.9% gem rate or roughly 1 in 53, according to CardCodex population data. That scarcity creates extreme grade leverage.
Raw, meaning ungraded, copies trade around $82-$138, while PSA 10s sold for $19,604 on May 11, 2026 and up to $24,350, versus about $1,525 for PSA 9, according to PriceCharting May 2026 sales. Submit only pack-fresh copies with sharp corners, clean foil, and full centering. Even light edge wear can drop a card to PSA 9 and erase most profit.
Is the reverse-holo Charizard worth it?
The reverse-holo Charizard #3, with foil on the card background rather than only the art, is scarcer in top grade. PokeInvest live market data puts PSA 10 population at 11, with PSA 10 estimated at $9,551 against $60 raw and $650 for grade 9. That is a 14.7x PSA 10 premium over grade 9.
The gap rewards only truly clean copies. Check the foil surface under bright light for scratches before you pay a fee. This card suits collectors who already own a near-mint copy. Do not buy a played copy to grade for resale.
Which other cards clear the bar?
Gardevoir LV.X #131 is the second core candidate. LV.X cards are ultra-rare leveled-up cards from this era. Ungraded copies sit around $50-$150, while market data puts PSA 10 around $1,052, with a $375 PSA 10 sale July 27, 2025, according to PriceCharting highest-price table.
Lugia #14 and reverse-holo Mew #15 justify grading only in high grade. The same PriceCharting highest-price table lists Lugia at $61.99 raw versus $16,769 PSA 10 and Mew reverse at $64.65 raw versus $8,788 PSA 10. These three need the same filter as Charizard. Centered, unplayed holos and LV.Xs can work, while off-center or whitened copies will not.
When should you skip grading?
Most Secret Wonders cards should stay raw. TCGInvest grading-odds work reports 3.4% PSA 10s across 16,842 submissions, so played or off-center copies rarely cover fees.
Skip grading when you see: PSA Value Bulk costs $24.99 and Value costs $32.99 after the February 10, 2026 increase, according to Sports Illustrated Collectibles report on February 2026 prices. Add shipping and selling fees, then submit only near-mint holos, LV.Xs and clean reverse holos.
- white on edges or corners
- print lines across the holo foil
- weak centering top to bottom
- surface scratches on reverse-holo coating
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