About Nidoking
Nidoking from the Steam Siege set (#45) is a Pokemon trading card released in 2016. It has a rarity of Rare. Current fair market values for Nidoking are PSA 10: $177.50, PSA 9: $40, Raw: $4.97. The most recent PSA 10 sale was $177.50 on May 30, 2025, with 2 sales tracked in the last 30 days. The most recent PSA 9 sale was $40 on April 26, 2026. A raw (ungraded) copy last sold for $4.97 on August 20, 2026. CardIndex has tracked 177 total sales across all grades for this card. There are currently 59 active listings for Nidoking.
