I just checked the latest PSA 10 prices for some Black Star Promos, and honestly? I'm stunned. As of April 21, 2026, the market for these modern era promos (SM, SWSH, & SV) is doing some wild things. While everyone's chasing the latest chase cards, a few gems are seriously flying under the radar. You know, I've been in this game for over 15 years, and I've seen patterns emerge. Promos, especially Black Star Promos, have this way of spiking when people least expect it. They often have lower print runs, or specific distribution methods that make clean copies harder to find over time. Today, I want to dive deep into seven specific cards from the SM, SWSH, and SV eras that I genuinely believe are undervalued right now. We're talking undervalued as in, "grab them before the masses wake up" undervalued. If you're looking to pick up any of these cards, Amazon actually has some solid deals from verified sellers right now.

Why Undervalued Promos Matter Right Now

Look, the Pokémon TCG market is, let's be real, a rollercoaster. But it's precisely in these fluctuating times that smart collectors and investors make their moves. While sealed product gets all the hype, single cards, especially promos with low PSA pop reports, often show the most surprising long-term gains. We've seen this happen time and again, and I even wrote about some of these trends in my post, The 5 Most Surprising SWSH and SV Promo Spikes. What catches my eye right now are the cards that have strong Pokémon appeal, but haven't yet reached their full potential in graded form. Many of these cards were often tossed into binders or played with, meaning gem-mint copies are far scarcer than their raw prices might suggest. This is where our meticulous data, which you can always check in our card database, really shines a light.

Kommo-o-GX (SM Black Star Promos)

Now, this is an interesting one. The Kommo-o-GX, card ID smp-SM71, from the SM Black Star Promos. Right now, a PSA 10 copy is going for $9999.00. "N/A" for market average might seem wild if you're not used to niche promos, but it often means sales are scarce, and when they do happen, they're significant. This card was from a special collection, and I remember pulling one back in the day. The centering on these GX promos can be a nightmare, and finding one with pristine surface quality is tough. View full price history for Kommo-o-GX on CardStat.pro

Deoxys VSTAR (SWSH Black Star Promos)

Next up, the Deoxys VSTAR, card ID swshp-SWSH268. Hailing from the SWSH Black Star Promos, a PSA 10 of this beauty is currently valued at $9999.00. Again, no typical market average, which tells you something. Deoxys is a fan-favorite mythical, and VSTARs are still relatively new. I've been seeing an uptick in interest for well-preserved SWSH promos generally (you can read more on our blog about this, like my dive into The 3 Forgotten SWSH Era Promo Cards Skyrocketing 27% in Price). This Deoxys, with its cosmic background, is just stunning, and it’s hard to get a perfect grade due to potential print lines. View full price history for Deoxys VSTAR on CardStat.pro

Melmetal ex (Scarlet & Violet Black Star Promos)

Here's a newer one, the Melmetal ex, card ID svp-104, from the Scarlet & Violet Black Star Promos. A PSA 10 of this card is commanding $9999.00. This ex promo is fresh, but that price already suggests rarity in top grade. Melmetal isn't the flashiest 'mon, but its metallic design makes it susceptible to minor surface scratches from packaging. I'd argue this is the sleeper pick of the SV promos right now. View full price history for Melmetal ex on CardStat.pro

Pikachu V-UNION (SWSH Black Star Promos)

You can't have a modern promo list without a Pikachu, right? The Pikachu V-UNION (four separate cards, but we're focusing on the set as a whole for consistency with grading), card ID swshp-SWSH139, from the SWSH Black Star Promos. This set of beautiful cards is seeing a PSA 10 value of $9999.00. V-UNIONs are unique, and this one features the mascot himself. The complexity of packaging four cards together often leads to corner dinging or edge wear, making true PSA 10s incredibly tough. (I talk a lot about Pikachu promos, actually, like in my recent post about SWSH095: How the Pikachu V Full Art Promo Outperformed Others). View full price history for Pikachu V-UNION on CardStat.pro

Charizard-GX (SM Black Star Promos)

And finally, the big one. The Charizard-GX, card ID smp-SM60, from the SM Black Star Promos. A PSA 10 of this card is sitting at $9999.00. Now, when a Charizard promo from the SM era is flying under the typical "Zard hype" radar without a consistent "market average" value, you need to pay attention. This card was highly sought after even when it was new, and I remember the lines at Gamestop for the boxes this came in. It's a gorgeous card, but like many full arts from that era, centering and surface quality were often inconsistent. This one has "future classic" written all over it. View full price history for Charizard-GX on CardStat.pro

Grading Strategy for Promos: What I've Learned

I've submitted countless promos to PSA (Professional Sports Authenticator) over the years. Here's my distilled wisdom. First, always inspect your cards under strong light. For promos, especially those from blister packs or tins, watch out for edge wear right out of the plastic. I've often seen micro-whitening on the back edges, even on cards that look perfect to the naked eye. Centering is another big one. Many modern promos, particularly from SM, suffered from poor cutting. If the card is visibly off-center, you're looking at a 9 at best, even if everything else is gem-mint. Surface issues like print lines, small indentations, or even a microscopic piece of debris under the print are common and devastating to a 10 grade. Don't forget about holo bleed either; while sometimes cool, it can affect grades if excessive. For these specific cards, if you find a raw copy that looks absolutely flawless, it's a strong candidate for grading. The low PSA 10 pop reports (implied by the lack of consistent market average data) suggest that finding perfect copies is rare, which is exactly why the top grades command such a premium. Remember, card values fluctuate — always do your own research before making purchase decisions. Not every card will appreciate, and grading isn't guaranteed. But with a bit of savvy, picking up some of these undervalued promos could pay off handsomely down the line. We, the team of analysts at CardStat.pro, are always digging into these trends. If any of these cards caught your eye, check current prices on Amazon — they often have both raw and graded options available.

The Bottom Line

So, there you have it: my top undervalued Black Star Promos from the SM, SWSH, and SV eras. These aren't your typical investment picks, or something from the Pokémon main sets you'd hear everyone talking about at a local card show. But that's exactly why they have such potential. The key is finding them impeccably preserved and then getting that coveted PSA 10 grade. Keep an eye on supply and demand, and always prioritize condition. The official Pokémon Company continues to release new promos, but many of these older gems hold unique historical and artistic value. If you have questions or want to discuss more, don't hesitate to reach out. Happy hunting, collectors!