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Bill's Maintenance #137, Normal, Expedition Base Set

  • Card number: #137/165
  • Rarity: Uncommon
  • Finish: Non-Holo

A PSA 9 Bill's Maintenance #137 Normal from Expedition Base Set has a TCGBerg fair value of $27 as of Nov 14, 2026. TCGBerg has recorded 4 PSA 9 sales of this card, the latest on Oct 23, 2026. PSA has graded 29 copies at PSA 9.

TCGBerg fair valuePSA 9
As of Nov 14, 2026
$27down 14.2%30-day change

TCGBerg Algorithm (estimated from recorded sales).

Fair value3 months
Last sale$16Oct 23, 202642.0% below fair
5-sale avg$23May 13Oct 23
Population · PSA 9
29
Market cap
$775
Volatility
7.9%
YTD
↑ 17.5%
Sales evidence
Moderate

TCGBerg fair value · PSA 9

$27

30D14.2%YTD17.5%
Sales evidenceModerate
Market cap
$775
fair value x population
Population
29
graded copies
Last sale
$16
-42.0% vs fair
5-sale avg
$23
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 9.

Open in TerminalCandles, every grade, full historyPro

What the evidence says

The last PSA 9 sale, $16 on Oct 23, 2026, sits 42.0% below the $27 fair value. The value weighs 4 PSA 9 sales from the past year, not the latest one alone. The latest sale ran below the recent run: the last 4 PSA 9 sales averaged $23, within 13.4% of the value. Its confidence band runs from $23 to $30. A PSA 10 ($167) is worth 6.2 times a PSA 9 ($27). Over the past 30 days the PSA 9 value has fallen 14.2%.

TCGBerg fair value by grade

Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.

  • Raw NM$0.66Ungraded · TCGBerg fair value
  • Raw LP$0.41Ungraded · TCGBerg fair value
  • Raw MP$0.35Ungraded · TCGBerg fair value
  • Raw HP$0.27Ungraded · TCGBerg fair value
  • Raw Damaged$0.24Ungraded · TCGBerg fair value

Behind the scenes

What goes into this price, and how much we know.

Recent sales

20 tracked

Each sale against the grade's fair value on the day it sold.

  • $0.68
    Oct 30, 2026 · via tcgplayer
    Rawabove fair value by 1.5%
  • $16
    Oct 23, 2026 · via eBay
    PSA9below fair value by 49.5%
  • $0.65
    Oct 23, 2026 · via tcgplayer
    Rawbelow fair value by 1.5%
  • $0.34
    Oct 22, 2026 · via tcgplayer
    Rawbelow fair value by 48.5%
  • $1.24
    Oct 19, 2026 · via tcgplayer
    Rawabove fair value by 87.9%

15 more sales with Pro

Up to 20 recent sales, each with its venue and its gap to fair value.

Includes a sale 54.5% below fair value

All grades matrix

Every grade we track for this printing.

  • CGC6$9.08
    1d -7d -30d -
    Pop
    4
    Mcap
    -
    Evidence
    Sparse
    Last
    -
  • CGC Gem Mint 10$19
    1d -7d -30d -
    Pop
    26
    Mcap
    $482
    Evidence
    Sparse
    Last
    -
  • BGS9.5$6.00
    1d -7d -30d -
    Pop
    3
    Mcap
    $18
    Evidence
    Sparse
    Last
    -
Listings
CGC6$9.084----Sparse-
CGC Gem Mint 10$1926$482---Sparse-
BGS9.5$6.003$18---Sparse-
PSA10$16732$5.3Kup 0.2%down 0.7%up 23.2%Sparse$1353mo ago
PSA9$2729$775up 0.9%down 14.2%down 16.1%Moderate$163w ago
PSA8$2011$218up 0.5%down 15.7%down 26.2%Sparse$242mo ago
PSA7$2011$2160.0%down 16.1%down 26.8%Sparse-
PSA6$203$590.0%down 16.1%down 26.8%Sparse-
PSA5$151-0.0%down 37.7%down 45.8%Sparse-
Raw$0.66--down 1.5%down 4.3%-Very strong$0.682w ago

Graded population report

252 graded copies of Bill's Maintenance Normal across 25 grades.

PSA 10
32 · 13%
PSA 9
29 · 12%
PSA 8
11 · 4.4%
PSA 7
11 · 4.4%
PSA 6
3 · 1.2%
BGS 9.5
3 · 1.2%
BGS 9
1 · 0.4%
CGC Pristine 10
4 · 1.6%
CGC Gem Mint 10
26 · 10%
CGC 9.5
3 · 1.2%
CGC 9
43 · 17%
CGC 8.5
25 · 9.9%
CGC 8
17 · 6.7%
CGC 7.5
8 · 3.2%
CGC 7
11 · 4.4%
CGC 6.5
3 · 1.2%
CGC 6
4 · 1.6%
CGC 5.5
4 · 1.6%
CGC 5
4 · 1.6%
CGC 4.5
1 · 0.4%
CGC 4
2 · 0.8%
BGS 8
2 · 0.8%
CGC Authentic
3 · 1.2%
PSA 5
1 · 0.4%
PSA 1
1 · 0.4%

PSA 9 makes up 12% of graded copies: 29 of 252. CGC 9 is the most common grade (17%).

Analysis

Bill's Maintenance - Normal at PSA 10 carries a TCGBerg fair value of $167 as of 2026-11-14. We track a TCGBerg fair value across 9 grades from Expedition Base Set, from BGS 9.5 up to PSA 10. A graded population of 32 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 fallen 0.7%.

PSA 9 - frequently asked

How much is a PSA 9 Bill's Maintenance - Normal from Expedition Base Set worth?
$27 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 9 Bill's Maintenance - Normal from Expedition Base Set. It rests on moderate sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 9 Bill's Maintenance - Normal from Expedition Base Set?
29 copies have been graded at PSA 9, the recorded graded population, not the number of copies printed.
How has the PSA 9 Bill's Maintenance - Normal from Expedition Base Set price moved recently?
Its TCGBerg fair value has fallen 14.2% over the past 30 days.
What did a PSA 9 Bill's Maintenance - Normal from Expedition Base Set last sell for?
The most recent recorded sale was $16 on 2026-10-23. This recorded sale is separate from the model-derived fair value.