Professor Cozmo's Discovery #89, Reverse Holo, EX Holon Phantoms
- Card number: #89/110
- Rarity: Uncommon
A PSA 9 Professor Cozmo's Discovery #89 Reverse Holo from EX Holon Phantoms has a TCGBerg fair value of $101 as of Nov 15, 2026. It rests on 3 recorded sales, the latest on Sep 8, 2026. PSA has graded 14 copies at PSA 9. Sales evidence is sparse, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
3 sales · latest Sep 8, 2026
- Population · PSA 9
- 14
- Market cap
- $1.4K
- Volatility
- 0.7%
- YTD
- ↑ 249.2%
- Sales evidence
- Sparse
TCGBerg fair value · PSA 9
$101
Based on 3 recorded sales. Latest sale: Sep 8, 2026.
Price history
Weekly fair value for PSA 9. Shaded area is the confidence band: how precisely we can pin the value; it tightens as more sales confirm it. Dots are individual sales.
What the evidence says
The last PSA 9 sale, $90 on Sep 8, 2026, sits 11.1% below the $101 fair value. The value rests on 3 recorded PSA 9 sales. With so few PSA 9 sales on record, a single sale can sit far from the value. Its confidence band runs from $76 to $126. A PSA 10 ($760) is worth 7.5 times a PSA 9 ($101). Over the past 30 days the PSA 9 value has risen 1.1%. With sparse sales evidence, read the gap and the band as rough guides.
TCGBerg fair value by grade
Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.
- Raw NM$7.15Ungraded · market price
- Raw MP$2.37Ungraded · market price
- Raw LP$2.17Ungraded · market price
- Raw Damaged$1.45Ungraded · market price
Behind the scenes
What goes into this price, and how much we know.
Recent sales
6 trackedEach sale against the grade's fair value on the day it sold.
- $700Sep 26, 2026 · via eBaybelow fair value by 42.4%
- $90Sep 8, 2026 · via eBayabove fair value by 44.8%
- $7.00Aug 30, 2026 · via tcgplayerRawbelow fair value by 0.8%
- $7.15Aug 16, 2026 · via tcgplayerRawabove fair value by 1.3%
- $5.99Aug 16, 2026 · via tcgplayerRawbelow fair value by 15.2%
1 more sale with Pro
Up to 20 recent sales, each with its venue and its gap to 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.
- $7601d 0.0%7d 0.0%30d 4.5%
- Pop
- 5
- Mcap
- $3.8K
- Evidence
- Sparse
- Last
- $700
- $1011d 0.0%7d 0.6%30d 1.1%
- Pop
- 14
- Mcap
- $1.4K
- Evidence
- Sparse
- Last
- $90
- $501d 0.0%7d 0.0%30d 23.3%
- Pop
- 4
- Mcap
- $201
- Evidence
- Sparse
- Last
- -
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| $760 | 5 | $3.8K | 0.0% | 0.0% | up 4.5% | down 5.1% | Sparse | $7002mo ago | ||
| $101 | 14 | $1.4K | 0.0% | up 0.6% | up 1.1% | up 66.0% | Sparse | $902mo ago | ||
| $50 | 4 | $201 | 0.0% | 0.0% | up 23.3% | up 2.4% | Sparse | - | ||
| $18 | 1 | $18 | 0.0% | 0.0% | down 6.2% | up 38.7% | Sparse | - | ||
| $18 | 0 | - | 0.0% | 0.0% | down 6.2% | up 38.7% | Sparse | - | ||
| Raw | $7.15 | - | - | 0.0% | 0.0% | 0.0% | up 8.7% | - | $7.003mo ago |
PSA population report
24 graded copies of Professor Cozmo's Discovery Reverse Holo across 4 grades. The selected grade is highlighted.
PSA 9 makes up 58% of graded copies: 14 of 24. It’s the most common grade for this card.
Analysis
Professor Cozmo's Discovery - Reverse Holo at PSA 10 carries a TCGBerg fair value of $760 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from EX Holon Phantoms, from PSA 7 up to PSA 10. A graded population of 5 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on sparse sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 4.5%.