Which Magneton 1st Edition Holofoil do you have?
Same name, 5× the price: $25 to $121 raw. The difference is printed on the card — it is just not somewhere most people think to look.
Mysterious Mountains · #038
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.
$121
54% gem
The Town on No Map · #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.
$36
61% gem
Mysterious Mountains · #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.
$25
50% 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.