Golduck #28, Reverse Holo, DP Secret Wonders
- Card number: #28/132
- Rarity: Rare
A PSA 7 Golduck #28 Reverse Holo from DP Secret Wonders has a TCGBerg fair value of $30 as of Nov 15, 2026. It rests on 2 recorded sales, the latest on Oct 4, 2026. PSA has graded 4 copies at PSA 7. Sales evidence is sparse, so treat this value as a rough estimate.
TCGBerg Algorithm (estimated from recorded sales).
2 sales · latest Oct 4, 2026
- Population · PSA 7
- 4
- Market cap
- $120
- Volatility
- 1.0%
- YTD
- ↑ 43.5%
- Sales evidence
- Sparse
TCGBerg fair value · PSA 7
$30
Based on 2 recorded sales. Latest sale: Oct 4, 2026.
Price history
Weekly fair value for PSA 7. 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 7 sale, $30 on Oct 4, 2026, is in line with the $30 fair value (0.3% below). The value rests on 2 recorded PSA 7 sales. Its confidence band runs from $30 to $30. A PSA 10 ($1,256) is worth 14.6 times a PSA 9 ($86). Over the past 30 days the PSA 7 value has risen 0.9%. 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$6.50Ungraded · market price
- Raw LP$2.62Ungraded · TCGBerg fair value
- Raw MP$1.86Ungraded · market price
- Raw Damaged$1.23Ungraded · market price
- Raw HP$0.99Ungraded · TCGBerg fair value
Behind the scenes
What goes into this price, and how much we know.
Recent sales
5 trackedEach sale against the grade's fair value on the day it sold.
- $30Oct 4, 2026 · via eBaybelow fair value by 8.7%
- $6.00Aug 31, 2026 · via tcgplayerRawbelow fair value by 13.0%
- $8.00Aug 21, 2026 · via tcgplayerRawabove fair value by 15.9%
- $30May 20, 2026 · via eBaybelow fair value by 20.5%
- $20Jan 19, 2026 · via Fanatics Collectbelow fair value by 6.0%
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.
- $1,2561d 4.2%7d 1.7%30d 100.1%
- Pop
- 0
- Mcap
- -
- Evidence
- Sparse
- Last
- -
- $861d 0.0%7d 0.0%30d 3.0%
- Pop
- 5
- Mcap
- $429
- Evidence
- Sparse
- Last
- -
- $401d 0.0%7d 0.2%30d 2.0%
- Pop
- 3
- Mcap
- $119
- Evidence
- Sparse
- Last
- $30
| $1,256 | 0 | - | down 4.2% | down 1.7% | up 100.1% | up 117.7% | Sparse | - | |
| $86 | 5 | $429 | 0.0% | 0.0% | down 3.0% | down 35.4% | Sparse | - | |
| $40 | 3 | $119 | 0.0% | up 0.2% | down 2.0% | down 1.0% | Sparse | $306mo ago | |
| $30 | 4 | $120 | 0.0% | up 0.2% | up 0.9% | up 13.2% | Sparse | $301mo ago | |
| $21 | 0 | - | up 0.1% | up 0.3% | up 10.7% | down 5.7% | Sparse | - | |
| Raw | $6.50 | - | - | 0.0% | 0.0% | 0.0% | up 2.7% | - | $6.003mo ago |
PSA population report
12 graded copies of Golduck Reverse Holo across 3 grades. The selected grade is highlighted.
PSA 7 makes up 33% of graded copies: 4 of 12. PSA 9 is the most common grade (42%).
Analysis
Golduck - Reverse Holo at PSA 10 carries a TCGBerg fair value of $1,256 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from DP Secret Wonders, from PSA 6 up to PSA 10. The PSA 10 valuation rests on sparse sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 100.1%.