HS trainer Kit (Gyarados) #21/30
Catalog details are community-maintained and may be incomplete. Confirm the printing in seller photographs before buying.
Diamond Finder will not manufacture a score when essential evidence is missing.
These are transparent learning signals, not a promise that the card will rise in value.
TCGplayer currently provides a market price for Normal of about $4.35. Treat it as a live reference, not a guaranteed sale price or appraisal.
Marketplace references can be missing or imperfectly matched to a printing or variant. Confirm the exact card, finish, condition, language, and recent real-world sales before making a purchase decision.
Cardmarket rolling averages supplied with this exact catalog record. These are market references, not guaranteed sold prices.
Your collection and Want List are account-scoped and stay blank while you are signed out.
Move from this printing into the same character, set, era, or rarity—without starting another blind search.
Instead of a generic compound-interest calculator, this model starts with the exact card's current market reference, short-term market trend, and Diamond Finder Collector Index.
Model estimate, not a guaranteed future value. It does not use eBay sold comps yet, and no projection should be treated as investment advice.