Mew #1, Reverse Holo, Southern Islands
- SI

- ·Card number: #1/18
- ·Rarity: Common
A CGC Gem Mint 10 Mew #1 Reverse Holo from Southern Islands has a TCGBerg fair value of $6,237 as of Nov 15, 2026. TCGBerg has recorded 6 CGC Gem Mint 10 sales of this card, the latest on Oct 26, 2026.
TCGBerg Algorithm (estimated from recorded sales).
- Population · CGC Gem Mint 10
- -
- Market cap
- -
- Volatility
- -
- YTD
- -
- Sales evidence
- Moderate
TCGBerg fair value · CGC Gem Mint 10
$6,237
Price history
Weekly fair value over time, plus a confidence band around it: how precisely we can pin the value, which tightens as more sales confirm it. Dots mark individual sales, snapped to their week: red when above fair value (a premium), green when below (a deal), hollow when flagged as an outlier. Switch the active grade with the selector above.Weekly fair value for CGC Gem Mint 10. Shaded area is the confidence band: how precisely we can pin the value; it tightens as more sales confirm it. Dots are individual sales. Confidence band: how precisely we can pin the fair value. It widens when sales scatter and narrows as more sales back the value up. The dots show the actual sale prices.
What the evidence says
The latest recorded CGC Gem Mint 10 sale ($19,200 on Oct 26, 2026) sits 207.8% above the $6,237 fair value, too far off to read as this grade's price. The value weighs 6 CGC Gem Mint 10 sales from the past year, not the latest one alone. The latest sale ran above the recent run: the last 5 CGC Gem Mint 10 sales averaged $8,479, within 35.9% of the value. Its confidence band runs from $4,678 to $7,796.
TCGBerg fair value by grade
Side-by-side comparison of value across every grade and ungraded condition we track for this printing. The bar chart uses a log scale so raw and gem-mint fit on one axis. Solid bars are the TCGBerg fair value, modelled from recorded sales. Hatched bars are the latest market price instead, shown for ungraded conditions that trade too rarely for us to price one honestly.Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
- Raw NM$749Ungraded · TCGBerg fair value
- Raw LP$567Ungraded · TCGBerg fair value
- Raw MP$369Ungraded · TCGBerg fair value
- Raw HP$241Ungraded · TCGBerg fair value
- Raw Damaged$213Ungraded · TCGBerg fair value
Behind the scenes
How the published fair value for this grade was produced: the sales it rests on, how they were put together, and every recorded change afterwards. It describes one saved calculation, not a live recomputation.What goes into this price, and how much we know.
Recent sales
20 trackedEach sale against the grade's fair value on the day it sold.
| Date | Grade | Venue | Price | vs fair value |
|---|---|---|---|---|
| Nov 5, 2026 | PSA10 | Alt | $538,091 | at fair value by 0.0% |
| Oct 29, 2026 | PSA8 | Alt | $3,120 | below fair value by -1.9% |
| Oct 29, 2026 | PSA8 | Alt | $3,240 | above fair value by +1.9% |
| Oct 28, 2026 | Raw | tcgplayer | $900 | above fair value by +19.1% |
| Oct 26, 2026 | CGC Gem Mint 10 | Fanatics Collect | $19,200 | above fair value by +207.8% |
- $538,091Nov 5, 2026 · via AltPSA10·at fair value by 0.0%
- $3,120Oct 29, 2026 · via AltPSA8↓below fair value by 1.9%
- $3,240Oct 29, 2026 · via AltPSA8↑above fair value by 1.9%
- $900Oct 28, 2026 · via tcgplayerRaw↑above fair value by 19.1%
- $19,200Oct 26, 2026 · via Fanatics CollectCGC Gem Mint 10↑above fair value by 207.8%
| Oct 25, 2026 | CGC9.5 | eBay | $4,302 | above fair value by +77.0% |
| Oct 3, 2026 | Raw | tcgplayer | $850 | above fair value by +28.6% |
| Sep 10, 2026 | Raw | tcgplayer | $652 | below fair value by -1.3% |
- $4,302CGC9.5↑above fair value by 77.0%
- $850Raw↑above fair value by 28.6%
- $652Raw↓below fair value by 1.3%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 26.4% below fair value
All grades matrix
Every grade we track for this printing. Click any column header to sort; the rightmost column jumps you to listings for that grade.
- CGC Gem Mint 10$6,2371d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Moderate
- Last
- $19,200
- CGC9.5$2,4301d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Moderate
- Last
- $4,302
- BGS9.5$9,2501d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- $9,250
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CGC Gem Mint 10 | $6,237 | - | - | - | - | - | - | Moderate | $19,2003w ago | |
| CGC9.5 | $2,430 | - | - | - | - | - | - | Moderate | $4,3023w ago | |
| BGS9.5 | $9,250 | - | - | - | - | - | - | Sparse | $9,2504mo ago | |
| PSA10 | $521,156 | - | - | ↓down 0.1% | ↓down 3.1% | - | - | Sparse | $538,0911w ago | |
| PSA9 | $40,710 | - | - | ↓down 0.1% | ↓down 1.6% | - | - | Sparse | - | |
| PSA8 | $3,180 | - | - | 0.0% | 0.0% | - | - | Sparse | $3,1202w ago | |
| PSA7 | $1,060 | - | - | 0.0% | 0.0% | - | - | Sparse | - | |
| PSA6 | $1,060 | - | - | 0.0% | 0.0% | - | - | Sparse | - | |
| Raw | $749 | - | - | - | 0.0% | ↑up 13.7% | - | Very strong | $9003w ago |
Analysis
Mew - Reverse Holo at PSA 10 carries a TCGBerg fair value of $521,156 as of 2026-11-14. We track a TCGBerg fair value across 8 grades from Southern Islands, from PSA 7 up to PSA 10. The PSA 10 valuation rests on sparse sales evidence.