holographic ancient mew pokemon card value

holographic ancient mew pokemon card value Found an promo card, seen it go over 300$ on ebay. Can someone explain why it's so valuable? : r/PokemonCardValue but overall look nearly unplayed with no major defects Pokemon: Ancient Mew - Miscellaneous

Name: holographic ancient mew pokemon card value Found an promo card, seen it go over 300$ on ebay. Can someone explain why it's so valuable? : r/PokemonCardValue but overall look nearly unplayed with no major defects Pokemon: Ancient Mew - Miscellaneous
Brand: msprealestateinc.com
SKU: 40468648461
Price: 28.00 USD
Availability: InStock
Rating: 4.5778 (28 reviews)

SKU: 40468648461

4.6

USD28.00 USD48.00

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Description

There is another grouping of cards that is important to know

(Despite being printed before July 2017, Maximum Crisis Special Edition uses "(Quick Effect)" to mark them.) If an effect that Summon states "Immediately after this effect resolves", the Summon of that monster(s) can be negated if the effect resolves as Chain Link 1 (e.g