$306.09
PSA 10 · -21%
Based on 4 sales
$59.65
PSA 9
$40.16
PSA 8
$34.95
PSA 7
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The Maintenance (1st Edition) from Base Set $306.09 in PSA 10 grade. Prices have decreased 21% over the past 30 days.
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Price History
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Grading EV Estimate
Expected-value figures are estimates based on historical grade distributions and market prices. Not a recommendation. Grading outcomes and market prices are not guaranteed.
Methodology
·
Full disclaimer
Estimated grading expected value
Negative
Grading costs exceed estimated PSA 10 premium
Raw price$9.99
PSA 10 value$256.59
Grading cost~$22.00
Estimated profit$0.00 (0% estimated return)
Price by Grade
PSA 7
$34.95
PSA 8
$40.16
PSA 9
$59.65
PSA 10
$306.09
Recent Sales
2026-04-13
· raw
· ebay
$7.25
2026-04-13
· raw
· ebay
$15.00
2026-04-12
· raw
· ebay
$10.25
2026-04-11
· raw
· ebay
$8.99
2026-04-09
· raw
· ebay
$10.99
2026-04-07
· raw
· ebay
$8.00
2026-04-06
· raw
· ebay
$11.00
2026-04-05
· psa 10
· ebay
$301.00
2026-04-05
· psa 9
· ebay
$62.88
2026-04-05
· raw
· ebay
$10.00
2026-04-04
· raw
· ebay
$21.88
2026-04-03
· psa 7
· ebay
$41.60
2026-04-02
· raw
· ebay
$17.50
2026-04-01
· raw
· ebay
$1.25
2026-03-31
· psa 8
· ebay
$48.00
2026-03-29
· psa 7
· ebay
$28.69
2026-03-29
· raw
· ebay
$1.04
2026-03-28
· cgc 9
· ebay
$39.99
2026-03-25
· raw
· ebay
$75.00
2026-03-22
· raw
· ebay
$12.83
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