As long as Mew has any React Energy cards attached to it, prevent all effects, excluding damage, done to Mew by attacks from your opponent's Pokémon.
Attacks
20Psyshock
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
How much is Mew #4/17 worth?
Right now (November 5, 2026) the going rate for an ungraded Mew #4/17 from POP Series 4 is about $85.00. Across the 2 printings we track, copies run anywhere from $91.65 to $9,999.00 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $646.28, roughly 7.6x the raw price, while a PSA 9 sits near $544.00. 743 copies have been graded to date, and 1% of them came back a 10 — worth knowing before you pay grading fees.
Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.