Slowking #14, Reverse Holo, Southern Islands
- SI

- ·Card number: #14/18
- ·Rarity: Common
A CGC Gem Mint 10 Slowking #14 Reverse Holo from Southern Islands has a TCGBerg fair value of $3,631 as of Nov 15, 2026. TCGBerg has recorded 15 CGC Gem Mint 10 sales of this card, the latest on Nov 12, 2026.
TCGBerg Algorithm (estimated from recorded sales).
- Population · CGC Gem Mint 10
- -
- Market cap
- -
- Volatility
- -
- YTD
- -
- Sales evidence
- Strong
TCGBerg fair value · CGC Gem Mint 10
$3,631
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 last CGC Gem Mint 10 sale, $5,515 on Nov 12, 2026, sits 51.9% above the $3,631 fair value. The value weighs 15 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 $4,193, within 15.5% of the value. Its confidence band runs from $2,964 to $4,298.
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$626Ungraded · TCGBerg fair value
- Raw LP$246Ungraded · TCGBerg fair value
- Raw MP$187Ungraded · TCGBerg fair value
- Raw HP$133Ungraded · TCGBerg fair value
- Raw Damaged$69Ungraded · 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 12, 2026 | CGC Gem Mint 10 | Alt | $5,515 | above fair value by +51.9% |
| Nov 11, 2026 | PSA8 | Fanatics Collect | $1,399 | at fair value by 0.0% |
| Nov 6, 2026 | Raw | tcgplayer | $650 | above fair value by +6.3% |
| Oct 24, 2026 | Raw | tcgplayer | $500 | below fair value by -17.8% |
| Oct 22, 2026 | Raw | tcgplayer | $660 | above fair value by +8.5% |
- $5,515Nov 12, 2026 · via AltCGC Gem Mint 10↑above fair value by 51.9%
- $1,399Nov 11, 2026 · via Fanatics CollectPSA8·at fair value by 0.0%
- $650Nov 6, 2026 · via tcgplayerRaw↑above fair value by 6.3%
- $500Oct 24, 2026 · via tcgplayerRaw↓below fair value by 17.8%
- $660Oct 22, 2026 · via tcgplayerRaw↑above fair value by 8.5%
| Oct 20, 2026 | CGC Gem Mint 10 | eBay | $7,500 | above fair value by +106.5% |
| Oct 19, 2026 | CGC9.5 | eBay | $2,250 | above fair value by +36.6% |
| Oct 19, 2026 | CGC9.5 | Fanatics Collect | $2,370 | above fair value by +43.9% |
- $7,500CGC Gem Mint 10↑above fair value by 106.5%
- $2,250CGC9.5↑above fair value by 36.6%
- $2,370CGC9.5↑above fair value by 43.9%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 38.0% 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$3,6311d -7d -30d -
- Pop
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- Mcap
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- Evidence
- Strong
- Last
- $5,515
- CGC9.5$1,6481d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Moderate
- Last
- $2,250
- PSA9-1d -7d -30d -
- Pop
- -
- Mcap
- -
- Evidence
- Sparse
- Last
- -
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CGC Gem Mint 10 | $3,631 | - | - | - | - | - | - | Strong | $5,5153d ago | |
| CGC9.5 | $1,648 | - | - | - | - | - | - | Moderate | $2,2504w ago | |
| PSA9 | - | - | - | - | - | - | - | Sparse | - | |
| PSA8 | $1,399 | - | - | 0.0% | - | - | - | Sparse | $1,3994d ago | |
| Raw | $626 | - | - | - | ↑up 2.4% | ↑up 11.7% | - | Very strong | $6501w ago |
Analysis
Slowking - Reverse Holo at CGC Gem Mint 10 carries a TCGBerg fair value of $3,631 as of 2026-11-14. We track a TCGBerg fair value across 3 grades from Southern Islands, from PSA 8 up to CGC Gem Mint 10. The CGC Gem Mint 10 valuation rests on strong sales evidence.