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: $70, PSA 9: $19, PSA 8: $6.50, Raw: $0.69. The most recent PSA 10 sale was $70 on June 23, 2022. The most recent PSA 9 sale was $19 on March 13, 2025. A raw (ungraded) copy last sold for $0.69 on October 5, 2026. CardIndex has tracked 207 total sales across all grades for this card. There are currently 196 active listings for Nidoking.
