Dialga-Holo appears in the Pokémon Trading Card Game’s Platinum set as card number 6 with an Unknown rarity designation. The foil treatment and Platinum-era artwork make it recognizable to collectors tracking Sinnoh-era releases. Market activity for this specific listing is presently reflected at $0.00, indicating no recent sales or dealers pricing it independently. Collectors often consider set completeness and condition when assessing its value.