Which Dedenne GX do you have?
Same name, 20× the price: $2.99 to $58 raw. The difference is printed on the card — it is just not somewhere most people think to look.
Tag Team GX All Stars · #175
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
73% gem
Night Unison · #065
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.
$35
55% gem
Alternate Art Promos · #195a
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.
$27
no PSA data
Night Unison · #057
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.
$15
59% gem
Unbroken Bonds · #57
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.
$10
57% gem
S-P Promos · #342
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.
$7.75
66% gem
Night Unison · #016
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.
$4.75
76% gem
Tag Team GX All Stars · #048
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.
$4.25
84% gem
Single Strike & Rapid Strike Premium Trainer Boxes · #005
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.
$2.99
77% gem
M-P Promos · #054
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.
—
100% 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.