6 printings of Vodalian Soldiers
They range from $0.07 to $0.19 — a 3× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Fallen Empires | FEM 31a | $0.19 |
| Fallen Empires | FEM 31b | $0.15 |
| Fallen Empires | FEM 31c | $0.14 |
| Classic Sixth Edition | 6ED 104 | $0.14 |
| Fifth Edition | 5ED 134 | $0.07 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.