6 printings of Dark Hatchling
They range from $0.12 to $0.52 — a 4× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Urza's Saga | USG 126 | $0.52 |
| Commander Legends: Battle for Baldur's Gate | CLB 747 | $0.32 |
| Commander 2011 | CMD 76 | $0.27 |
| Planechase Anthology | PCA 32 | $0.18 |
| Commander Anthology Volume II | CM2 61 | $0.12 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.