The is currently releasing card sets based on the video games and their corresponding Generation 9 Pokémon. This doesn't mean people have forgotten about the cards from the previous set, however, and many of the cards from that era remain quite valuable in collectors' markets. As is the case with all card expansions, some of the more rare and special pieces continue to stand out as being worth quite a lot of money.
Over its lifespan, had one base set followed by eleven main expansions and a handful of special expansion sets released during its run. Interestingly, out of all of those sets, many of the most valuable cards come from the seventh expansion, . Another fun coincidence is that many of the cards worth the highest price are evolutions of the popular Eevee, even if they come from different sets.
From the eighth set,, is the beautiful full art Alternate Art Secret Espeon VMAX. This Secret Rare is one of many of Eevee's evolutions to show up among the most valuable in the sets and shows the gigantic Espeon peacefully sleeping while lying cuddled against the top of a building. At the time of writing, Espeon VMAX (270/264) has a market value on of $122.90 USD.
This Lugia V from is one of the few cards on this list that is not a Secret Rare, but rather an Ultra Rare. Card number 186/195, this Alternate Full Art card has a dark and fierce depiction of Lugia, who was the focal Pokémon mascot for the expansion. Currently, Lugia V is listed with a market price of $124.43 USD on .
Another of the Eevee evolutions, the beautiful Sylveon is represented in card number 212/203 for the expansion, as a giant form while surrounded by many other smaller Pokémon, including Eevee. This Alternate Art Secret Rare features a playful feel with Pokémon playing on Sylveon's ribbon-like feelers. On , this Sylveon VMAX card is currently showing a market price of $136.39 USD.
Card number 209/203 from the expansion of features an Alternate Art Secret Rare version of Glaceon VMAX. A
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