The Umbreon card from the Pokémon SM - Lost Thunder set is a non-holo version with a darkness attribute, featuring a standard card size and a rare rarity. It is a Stage 1 Pokémon card with 110 HP, illustrated by Ryota Murayama and manufactured by The Pokémon Company in 2018. The card is not autographed but comes with authentication from James Spence Authentication (JSA). It is a sought-after collectible for Pokémon TCG players and fans of the franchise.