OtterDex
Dialga

Call of LegendsCOL1 SL2

Dialga

Rare Holo in Call of Legends

No price for this printing yet. That is not the same as worthless — the feed simply has no listing for it.

17 printings of Dialga

Same name, different printings. The set code and collector number printed along the bottom edge are what tell them apart.

Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.