About Maintenance
Maintenance from the Base Set Japanese set (#PROMO) is a Pokemon trading card released in 1996. Current fair market values for Maintenance are PSA 10: $89.99, PSA 9: $46.71, Raw: $2.37. The most recent PSA 10 sale was $89.99 on January 29, 2025. The most recent PSA 9 sale was $50 on January 28, 2026. A raw (ungraded) copy last sold for $2.19 on June 1, 2026. CardIndex has tracked 39 total sales across all grades for this card.
