7 printings of Ancient Silverback
They range from $0.10 to $0.52 — 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.
| Ninth Edition | 9ED 230★ | — |
| Seventh Edition | 7ED 230★ | — |
| Urza's Destiny | UDS 101 | $0.52 |
| Ninth Edition | 9ED 230 | $0.42 |
| Magic 2015 | M15 168 | $0.14 |
| The List | PLST M15-168 | $0.10 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.