Grade Matrix
PSA
PSA 6
-
PSA 7
$8
PSA 8
$26
PSA 9
$67
PSA 10
$255
PSA 10: PriceCharting; refreshed Sep 10, 2026
CGC
CGC 8
-
CGC 9
-
CGC 10
$153
CGC P10
-
Availability
Availabilityi
1/10G: —
Graded: insufficient data · Sales per year: ~13 sales/yr
TCGplayer Price History
NormalProduct 42429Fetched Sep 5, 3:30 AM
TCGplayer market
$2.88
Latest avg sale
$1.51
Units sold
2,194
Card Value FAQ
How much is Maintenance (Base Set #83) worth?
GemDelta shows Maintenance (Base Set #83) at $2.91 market price (TCGplayer market). Its Delta multiple is 29.3x.
How much is a PSA 10 Maintenance (Base Set #83) worth?
A PSA 10 Maintenance (Base Set #83) is currently shown at $255. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.