Professor's Research (Secret)
SWSH01: Sword & Shield Base Set · 209/202 · Secret Rare
Current Prices
Number
209/202
Rarity
Secret Rare
Variant
Holofoil
Market
US (TCGplayer)
Last Updated
Jun 9, 2026
Professor's Research (Secret): Rarity & Collectibility
Professor's Research (Secret) in its sought-after Holofoil variant is a Secret Rare — a top-of-the-set short print and one of the toughest cards to land in the wild. Cataloged as Secret Rare #209/202 of the SWSH01: Sword & Shield Base Set set, it is the kind of card RarePokemonCard tracks for scarcity and collector demand rather than raw price alone. The harder a card is to pull in top condition, the more weight serious collectors place on it.
How Rare & Valuable Is Professor's Research (Secret)?
In 2026, a Near Mint Professor's Research (Secret) (Secret Rare, SWSH01: Sword & Shield Base Set #209/202) changes hands at roughly $4.68, and its scarcity does most of the heavy lifting on that figure. Because demand concentrates on clean copies, surface wear is punished hard: a Near Mint example commands about $4.68, whereas a Damaged one slides to around $2.49. Across the wear scale that reads Near Mint $4.68, Lightly Played $4.20, Moderately Played $3.77, Heavily Played $3.00, Damaged $2.49 — proof that for a collectible like this, presentation is inseparable from value. At the very top, a gem-mint PSA 10 Professor's Research (Secret) is valued near $53.91 — about 12x the raw copy, the clearest sign of how much collectors pay for flawless scarcity.
Graded Professor's Research (Secret): Gem Mint & Population
For a chase card like Professor's Research (Secret), the high-grade market is where the real money lives. A PSA 10 (or CGC 10 / BGS Black Label equivalent) Professor's Research (Secret) sits around $53.91 — roughly 12x a raw copy. That gap exists because relatively few examples ever earn a perfect grade, so gem-mint population is the real scarcity collectors chase. Step down a notch and demand spreads across PSA 9 $12.50, CGC 10 $25.00, PSA 8 $9.99 — each tier a smaller, scarcer pool than the one below it. The rule of thumb for collectors: the rarer the card, the more a certified high grade matters to its standing.
Detailed Price Breakdown
| Source | Condition / Grade | Average | Low | High | Sales |
|---|---|---|---|---|---|
| ebay | LIGHTLY PLAYED | $4.74 | $4.74 | $4.74 | 1 |
| ebay | NEAR MINT | $3.99 | $3.99 | $3.99 | 14 |
| ebay | BGS 10 | $31.00 | $31.00 | $31.00 | 1 |
| ebay | CGC 10 | $25.00 | $25.00 | $25.00 | 2 |
| ebay | CGC 9 | $7.01 | $7.01 | $7.01 | 1 |
| ebay | PSA 10 | $53.91 | $53.91 | $53.91 | 31 |
| ebay | PSA 5 | $13.50 | $13.50 | $13.50 | 1 |
| ebay | PSA 8 | $9.99 | $9.99 | $9.99 | 6 |
| ebay | PSA 9 | $12.50 | $12.50 | $12.50 | 29 |
| tcgplayer | DAMAGED | $2.49 | $2.49 | $2.49 | 2 |
| tcgplayer | HEAVILY PLAYED | $3.00 | $3.00 | $3.00 | 0 |
| tcgplayer | LIGHTLY PLAYED | $4.20 | $5.31 | $5.31 | 51 |
| tcgplayer | MODERATELY PLAYED | $3.77 | $3.77 | $3.77 | 8 |
| tcgplayer | NEAR MINT | $4.68 | $3.68 | $5.00 | 527 |
Collector Outlook for Professor's Research (Secret)
Secret Rares like Professor's Research (Secret) are scarce by design, and that built-in shortage is what underpins their long-term collectibility. An accessible pickup whose pull is enjoyment and progress toward a finished set. Whether you are chasing it for a set or as a centerpiece, revisit Professor's Research (Secret) on RarePokemonCard — rarity demand in 2026 shifts with reprints, set nostalgia, and how few high-grade copies surface.
