Mewtwo & Mew GX SM191 Black Star Promo— Value & Price Guide
Market Valuation
BUYFair Market Value
$185.00
Based on 16 verified comparable sales
$80.00Median
$185.00High
$400.00
Expert Analysis
This Mewtwo & Mew GX SM191 Black Star Promo card is currently trending upwards, with recent sales averaging $233.13, a 30.4% increase. The current median price of $185.00 for a raw card is competitive, especially when compared to the PriceCharting ungraded average of $225.25 and PSA 10s selling for over $1700. Given its iconic Pokémon status and strong market performance, acquiring this card now could yield good returns, particularly if it grades well.
Market Analysis & Price Trends
Based on 16 verified recent sales on eBay, the Mewtwo & Mew GX SM191 Black Star Promo has a current fair market value of $185.00 with prices ranging from $80.00 to $400.00. This valuation reflects the card in Near Mint condition. The most recent recorded sale was $120.00.
Market trends show upward movement over the past recent sales vs. older sales, with a +30.4% price change. Recent sales data indicates a significant upward trend, with the average price increasing by over 30% compared to older sales, suggesting growing demand for this card.
Our AI analysis rates this card as a BUY. This Mewtwo & Mew GX SM191 Black Star Promo card is currently trending upwards, with recent sales averaging $233.13, a 30.4% increase. The current median price of $185.00 for a raw card is competitive, especially when compared to the PriceCharting ungraded average of $225.25 and PSA 10s selling for over $1700. Given its iconic Pokémon status and strong market performance, acquiring this card now could yield good returns, particularly if it grades well.
Collecting Insights
This card is a Promo rarity, Full Art Holo variant, from the Sun & Moon Black Star Promo set, released in 2019. Collectors value this card for its unique attributes and market positioning.
Notable features include: Full Art, Holographic, Black Star Promo, Tag Team GX, Iconic Pokémon (Mewtwo & Mew). These characteristics contribute to the card's collectibility and market demand.
Grading assessment: This card is currently raw/ungraded. Based on its apparent Near Mint condition, it could be a strong candidate for professional grading (e.g., PSA, CGC) to maximize its value, potentially reaching PSA 9 or 10 status.
The combined popularity and iconic status of Mewtwo and Mew, especially as a powerful TAG TEAM card, significantly drive its market value. Its playability in the TCG and its full art aesthetic also contribute to its collectibility.
Key Features
- Full Art
- Holographic
- Black Star Promo
- Tag Team GX
- Iconic Pokémon (Mewtwo & Mew)
Quick Facts
- This card features the legendary Mewtwo and mythical Mew as a 'TAG TEAM GX', a special mechanic introduced in the Sun & Moon era that allows two powerful Pokémon to combine their strength.
- The 'Perfection' ability on this card is incredibly versatile, allowing it to copy attacks from any other Pokémon-GX or EX on your Bench or in your discard pile, making it a strategic powerhouse in the TCG.
- Mewtwo was the star of the very first Pokémon movie, 'Mewtwo Strikes Back', making it one of the most recognizable and beloved legendary Pokémon.
- Mew is believed to be the ancestor of all Pokémon, possessing the DNA of every known species, and is incredibly rare to find in the games.
- Despite being a promo card, this Full Art version of Mewtwo & Mew GX has seen a significant price increase of over 30% recently, indicating strong collector interest and demand.
Recent eBay Sold Listings
Grading Notes
This card is currently raw/ungraded. Based on its apparent Near Mint condition, it could be a strong candidate for professional grading (e.g., PSA, CGC) to maximize its value, potentially reaching PSA 9 or 10 status.
Grading ROI Estimate
Full Calculator →Estimated value after professional grading, based on typical grade multipliers for this price range.
| Grade | Est. Value | Cost | Net Profit |
|---|---|---|---|
| PSA 10 | $647.50 | $25.00 | +$437.50 |
| PSA 9 | $333.00 | $25.00 | +$123.00 |
| BGS 9.5 | $462.50 | $30.00 | +$247.50 |
| CGC 9.8 | $370.00 | $22.00 | +$163.00 |
Estimates based on typical grade multipliers. Actual values vary by card popularity, scarcity, and market conditions.
Frequently Asked Questions
Based on 16 verified eBay sold listings, the Mewtwo & Mew GX SM191 Black Star Promo has a fair market value of $185.00. Prices range from $80.00 to $400.00 depending on condition and seller. Values are updated regularly based on real transaction data.

Image from verified eBay sold listing
Track This Card's Price
Get notified when the price of this card changes significantly. Free price alerts.
Get a Fresh Valuation
Prices change daily. Get the latest AI-powered valuation with real-time eBay sold data.