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PSA 10: Median of 2 sales, last 45 days · newest Oct 8, 2026 · checked Oct 26, 2026
Grade 9: No recent PSA 9 sales. PriceCharting Grade 9 guide, mixing PSA, CGC, BGS, SGC and TAG 9s.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Maintenance (Base Set #83) at $9.84 market price (TCGplayer market). Its Delta multiple is 41.9x.
A PSA 10 Maintenance (Base Set #83) is currently shown at $413, the median of 2 PSA 10 sales in the last 45 days (newest Oct 8, 2026).
GemDelta records a 18.9% gem rate for Maintenance (Base Set #83), with 343 PSA 10 copies out of 1,814 total PSA grades and a 41.9x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Oct 8, 2026 | 1999 POKEMON BASE SET MAINTENANCE 1ST EDITION #83 PSA 10 #83 | $425.00 |
| Oct 1, 2026 | Pokemon Maintenance #83 1st Edition Base Set PSA Trading Card Game Gem Mint 10 (Wizards of the Coast, 1999).... [Heritag | $400.00 |
| Jul 16, 2026 | Maintenance 83/102 1st Edition Base Set 1999 Pokemon GER PSA 10 | $110.04 |
| May 24, 2026 | 1999 POKEMON BASE SET 1ST EDITION #83 MAINTENANCE PSA 10 #83 | $349.99 |