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 9: $350, PSA 8: $52.51, Raw: $10.89. The most recent PSA 9 sale was $350 on September 28, 2026. A raw (ungraded) copy last sold for $10.89 on May 11, 2026. CardIndex has tracked 15 total sales across all grades for this card.
