10 printings of Champion's Helm
They range from $1.25 to $5.71 — a 5× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Fallout | PIP 756 | — |
| Fallout | PIP 1010 | — |
| Kaladesh Inventions | MPS 7 | — |
| Commander Masters | CMM 654 | $5.71 |
| Fallout | PIP 228 | $3.07 |
| Commander 2011 | CMD 244 | $3.03 |
| Commander Masters | CMM 375 | $2.98 |
| Fallout | PIP 482 | $2.77 |
| Final Fantasy Commander | FIC 337 | $1.25 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.