Which Mewtwo V do you have?
Same name, 23× the price: $3.66 to $84 raw. The difference is printed on the card — it is just not somewhere most people think to look.
Pokemon GO Japanese · #074
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$84
78% gem
Pokemon GO · #072
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$58
48% gem
S-P Promos · #273
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$18
89% gem
Sword & Shield Promo · #SWSH229
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$11
52% gem
Sword & Shield Promo · #SWSH223
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$8.01
25% gem
Pokemon GO Japanese · #073
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$7.20
81% gem
Pokemon GO Japanese · #030
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$6.71
79% gem
Pokemon GO · #030
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$6.42
34% gem
VSTAR Universe · #050
Check the set symbol in the lower right of the illustration, and the copyright year along the bottom edge. Those two identify the print run on every card that has them.
$3.66
79% gem
We have no hand-checked note for these printings yet, so the guidance above is the general rule rather than something specific to this card.
Prices are raw market value. Click a printing for its full grading verdict — the gem rate, the fees and whether it beats selling raw.