Lucario & Melmetal GX

The 2017 SM Black Star Promos Lucario & Melmetal GX is a promo Metal-type Pokémon card with 260 HP, illustrated by nagimiso. Raw near-mint copies trade around $74.84, while a PSA 10 is modelled near $449.04 and a PSA 9 near $149.68. In its original set it is a chase card — roughly a 1-in-382 booster pull (modelled, not official). Lucario & Melmetal GX has 3 other printings in the catalogue.