Maintenance #83, Unlimited, Base Set
- Card number: #83/102
- ·Rarity: Uncommon
- ·Finish: Non-Holo
A PSA 8 Maintenance #83 Unlimited from Base Set has a TCGBerg fair value of $34 as of Nov 14, 2026. TCGBerg has recorded 21 PSA 8 sales of this card, the latest on Oct 26, 2026. PSA has graded 136 copies at PSA 8.
TCGBerg Algorithm (estimated from recorded sales).
- Population · PSA 8
- 136
- Market cap
- $4.6K
- Volatility
- 17.3%
- YTD
- ↑ 26.6%
- Sales evidence
- Strong
TCGBerg fair value · PSA 8
$34
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 PSA 8. 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 PSA 8 sale ($58 on Oct 26, 2026) sits 71.3% above the $34 fair value, too far off to read as this grade's price. The value weighs 21 PSA 8 sales from the past year, not the latest one alone. The latest sale ran above the recent run: the last 5 PSA 8 sales averaged $27, within 20.3% of the value. Its confidence band runs from $30 to $38. A PSA 10 ($987) is worth 10.7 times a PSA 9 ($93). Over the past 30 days the PSA 8 value has risen 48.6%.
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$2.91Ungraded · TCGBerg fair value
- Raw LP$1.38Ungraded · TCGBerg fair value
- Raw MP$0.84Ungraded · TCGBerg fair value
- Raw HP$0.76Ungraded · TCGBerg fair value
- Raw Damaged$0.47Ungraded · 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 2, 2026 | Raw | tcgplayer | $2.96 | above fair value by +1.7% |
| Nov 2, 2026 | Raw | tcgplayer | $2.97 | above fair value by +2.1% |
| Nov 1, 2026 | Raw | tcgplayer | $2.85 | above fair value by +2.2% |
| Oct 30, 2026 | Raw | tcgplayer | $3.00 | above fair value by +7.5% |
| Oct 30, 2026 | Raw | tcgplayer | $2.25 | below fair value by -19.4% |
- $2.96Nov 2, 2026 · via tcgplayerRaw↑above fair value by 1.7%
- $2.97Nov 2, 2026 · via tcgplayerRaw↑above fair value by 2.1%
- $2.85Nov 1, 2026 · via tcgplayerRaw↑above fair value by 2.2%
- $3.00Oct 30, 2026 · via tcgplayerRaw↑above fair value by 7.5%
- $2.25Oct 30, 2026 · via tcgplayerRaw↓below fair value by 19.4%
| Oct 29, 2026 | Raw | tcgplayer | $3.17 | above fair value by +13.6% |
| Oct 28, 2026 | PSA6 | eBay | $41 | above fair value by +130.4% |
| Oct 28, 2026 | Raw | tcgplayer | $2.25 | below fair value by -19.4% |
- $3.17Raw↑above fair value by 13.6%
- $41PSA6↑above fair value by 130.4%
- $2.25Raw↓below fair value by 19.4%
15 more sales with Pro
Up to 20 recent sales, each with its venue and its gap to fair value.
↓Includes a sale 41.5% 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.
- PSA10$9871d ·0.0%7d ↓0.4%30d ↑6.3%
- Pop
- 107
- Mcap
- $105.6K
- Evidence
- Sparse
- Last
- $800
- PSA9$931d ·0.0%7d ↓0.9%30d ↑12.6%
- Pop
- 216
- Mcap
- $20.0K
- Evidence
- Moderate
- Last
- $100
- PSA8$341d ↑0.2%7d ↑3.0%30d ↑48.6%
- Pop
- 136
- Mcap
- $4.6K
- Evidence
- Strong
- Last
- $58
| Listings | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| PSA10 | $987 | 107 | $105.6K | 0.0% | ↓down 0.4% | ↑up 6.3% | ↑up 20.9% | Sparse | $8001mo ago | |
| PSA9 | $93 | 216 | $20.0K | 0.0% | ↓down 0.9% | ↑up 12.6% | ↓down 0.7% | Moderate | $1003w ago | |
| PSA8 | $34 | 136 | $4.6K | ↑up 0.2% | ↑up 3.0% | ↑up 48.6% | ↑up 71.4% | Strong | $583w ago | |
| PSA7 | $33 | 89 | $2.9K | ↓down 0.2% | ↑up 3.1% | ↑up 32.8% | ↑up 123.3% | Limited | $6.503mo ago | |
| PSA6 | $18 | 35 | $624 | ↓down 0.1% | ↑up 0.6% | ↑up 4.7% | ↑up 33.4% | Sparse | $412w ago | |
| PSA5 | $17 | 11 | - | 0.0% | 0.0% | ↑up 2.4% | ↑up 30.5% | Limited | $9.602mo ago | |
| PSA4 | $17 | 4 | - | 0.0% | 0.0% | ↓down 23.5% | ↑up 30.5% | Sparse | $255mo ago | |
| PSA2 | $17 | 1 | - | 0.0% | 0.0% | ↓down 23.5% | ↑up 30.5% | Sparse | $408mo ago | |
| Raw | $2.91 | - | - | - | 0.0% | ↑up 0.7% | - | Very strong | $2.962w ago |
PSA population report
How Maintenance's graded copies are spread across grades. Each bar is the number of copies graded at that grade; the percentage is that grade's share of the total graded population. These are recorded graded copies, not the total print run. A smaller population alone does not establish a price premium.599 graded copies of Maintenance Unlimited across 8 grades. The selected grade is highlighted.
PSA 8 makes up 23% of graded copies: 136 of 599. PSA 9 is the most common grade (36%).
Analysis
Maintenance - Unlimited Normal at PSA 10 carries a TCGBerg fair value of $987 as of 2026-11-14. We track a TCGBerg fair value across 8 grades from Base Set, from PSA 2 up to PSA 10. A graded population of 107 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 6.3%.