Estimate for one card from a US seller. Buying several cards from the same seller shares one shipping fee. Shipping to Canada varies by seller.
PSA population: 10 graded · 20% PSA 10
Recent eBay sales.
Printings (14)
You can play only one Supporter card each turn. When you play this card, put it next to your Active Pokémon. When your turn ends, discard this card. Search your deck for up to 2 in any combination of Basic Pokémon and basic Energy cards, show them to your opponent, and put them into your hand. Shuffle your deck afterward.
- Illustrator
- Kanako Eo
- Format
- Not Standard
- Released
- November 1, 2007
Price history
- Normal$3.56
- Reverse Holo$20.02
Show as table
| Date | Normal | Reverse Holo |
|---|---|---|
| Nov 2, 2026 | $3.56 | $20.02 |
| Nov 1, 2026 | $3.56 | $20.02 |
| Oct 31, 2026 | $3.56 | $20.02 |
| Oct 30, 2026 | $3.52 | $20.02 |
| Oct 29, 2026 | $3.52 | $20.02 |
| Oct 28, 2026 | $3.51 | $20.02 |
| Oct 27, 2026 | $3.48 | $20.02 |
| Oct 26, 2026 | $3.48 | $20.02 |
| Oct 25, 2026 | $3.48 | $20.02 |
| Oct 24, 2026 | $3.35 | $20.02 |
| Oct 23, 2026 | $3.35 | $20.02 |
| Oct 22, 2026 | $3.31 | $20.02 |
| Oct 21, 2026 | $3.31 | $20.02 |
| Oct 20, 2026 | $3.31 | $19.56 |
| Oct 19, 2026 | $3.31 | $19.56 |
| Oct 18, 2026 | $3.31 | $19.56 |
| Oct 17, 2026 | $3.31 | $19.56 |
| Oct 16, 2026 | $3.31 | $19.56 |
| Oct 15, 2026 | $3.31 | $21.08 |
| Oct 14, 2026 | $3.31 | $21.08 |
| Oct 13, 2026 | $3.28 | $21.08 |
| Oct 12, 2026 | $3.28 | $21.08 |
| Oct 11, 2026 | $3.28 | $21.08 |
| Oct 10, 2026 | $3.28 | $16.75 |
| Oct 9, 2026 | $3.28 | $16.75 |
| Oct 8, 2026 | $3.29 | $16.75 |
| Oct 7, 2026 | $3.29 | $16.75 |
| Oct 6, 2026 | $3.26 | $16.75 |
| Oct 5, 2026 | $3.26 | $16.74 |
| Oct 4, 2026 | $3.26 | $16.74 |
| Oct 3, 2026 | $3.26 | $16.74 |
Showing the last 30 days. Full price history is on Elite and Master
Live on eBay
Market trend
As of Nov 2, 2026 · TCGplayer (US)
- 7 days
- +2.3%
- 30 days
- +9.2%
- vs set · 7D
- +5.0%-2.7 pts vs set
- Volatility (30D) Elite+
- —
| Printing | Price | 1D | 7D | 30D |
|---|---|---|---|---|
| Normal | $3.56 | 0.0% | +2.3% | +9.2% |
| Reverse Holo | $20.02 | 0.0% | 0.0% | +19.6% |
Price history by source · Normal
- TCGplayer
Show as table
| Date | Value | Source |
|---|---|---|
| Nov 2, 2026 | $3.56 | TCGplayer |
| Nov 1, 2026 | $3.56 | TCGplayer |
| Oct 31, 2026 | $3.56 | TCGplayer |
| Oct 30, 2026 | $3.52 | TCGplayer |
| Oct 29, 2026 | $3.52 | TCGplayer |
| Oct 28, 2026 | $3.51 | TCGplayer |
| Oct 27, 2026 | $3.48 | TCGplayer |
| Oct 26, 2026 | $3.48 | TCGplayer |
| Oct 25, 2026 | $3.48 | TCGplayer |
| Oct 24, 2026 | $3.35 | TCGplayer |
| Oct 23, 2026 | $3.35 | TCGplayer |
| Oct 22, 2026 | $3.31 | TCGplayer |
| Oct 21, 2026 | $3.31 | TCGplayer |
| Oct 20, 2026 | $3.31 | TCGplayer |
| Oct 19, 2026 | $3.31 | TCGplayer |
| Oct 18, 2026 | $3.31 | TCGplayer |
| Oct 17, 2026 | $3.31 | TCGplayer |
| Oct 16, 2026 | $3.31 | TCGplayer |
| Oct 15, 2026 | $3.31 | TCGplayer |
| Oct 14, 2026 | $3.31 | TCGplayer |
| Oct 13, 2026 | $3.28 | TCGplayer |
| Oct 12, 2026 | $3.28 | TCGplayer |
| Oct 11, 2026 | $3.28 | TCGplayer |
| Oct 10, 2026 | $3.28 | TCGplayer |
| Oct 9, 2026 | $3.28 | TCGplayer |
| Oct 8, 2026 | $3.29 | TCGplayer |
| Oct 7, 2026 | $3.29 | TCGplayer |
| Oct 6, 2026 | $3.26 | TCGplayer |
| Oct 5, 2026 | $3.26 | TCGplayer |
| Oct 4, 2026 | $3.26 | TCGplayer |
| Oct 3, 2026 | $3.26 | TCGplayer |
Questions & answers
- How much is Roseanne's Research worth?
- Roseanne's Research (125/132, Secret Wonders) is worth about $3.56: the TCGplayer market price of its Normal printing, updated November 2, 2026.
- What printings of Roseanne's Research 125/132 exist?
- Roseanne's Research 125/132 exists in 14 printings: Normal, Reverse Holo, Normal · Paul Atanassov Stamp, Normal · Tristan Robinson Stamp, Normal · Tsubasa Nakamura Stamp, Normal · Jason Klaczynski Stamp, Normal · Michael Pramawat Stamp, Normal · Yuka Furusawa Stamp, Normal · David Cohen Stamp, Normal · Dylan Lefavour Stamp, Normal · Yuta Komatsuda Stamp, Normal · Stephen Silvestro Stamp, Normal · Jason Martinez Stamp, and League Reverse Holo.
- What set is Roseanne's Research from?
- Roseanne's Research is card 125/132 of Secret Wonders (Diamond & Pearl), released on November 1, 2007.
- What rarity is Roseanne's Research 125/132?
- Roseanne's Research (125/132, Secret Wonders) is a Uncommon card.
- Who illustrated Roseanne's Research 125/132?
- The artwork of Roseanne's Research (125/132, Secret Wonders) is by Kanako Eo.
Answers are generated from Tallgrass's own catalog and market data.
