Which Jolteon 1st Edition Holofoil do you have?
Same name, 11× the price: $11 to $120 raw. The difference is printed on the card — it is just not somewhere most people think to look.
Split Earth · #037
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.
$120
52% gem
Magma vs Aqua: Two Ambitions · #037
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.
$54
52% gem
Golden Sky, Silvery Ocean · #034
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.
$22
54% gem
Bandit Ring · #026
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
77% 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.