Which Rhyhorn 1st Edition do you have?
Same name, 5× the price: $0.87 to $4.49 raw. The difference is printed on the card — it is just not somewhere most people think to look.
Split Earth · #053
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.
$4.49
65% gem
Undone Seal · #052
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.
$2.24
100% gem
Fighting Quick Construction Pack · #001
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.
$1.99
50% gem
Gaia Volcano · #029
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.
$1.07
75% gem
Collection Y · #031
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.
$0.87
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.