moonstone Assay OfficeCard Market Report
Championship Arena
Report no.MSR-NP-28
Dated2026-09-12
PSA population smaller than 84% of Nintendo Black Star Promos.
Reference class: its set (Nintendo Black Star Promos). Percentiles are recomputed nightly from recorded data across every tracked card. Nothing modeled.
moonstone Pro
The full Championship Arena dossier is sealed
Pro breaks the seal on our call: a stamped buy, hold, or sell and a 180-day target price on every rated card, each a disclosed formula over recorded data. The complete card report includes:
- The stamped BUY / HOLD / SELL call and 180-day target, formula printed in full
- Verified sold medians for every tracked grade, with sample sizes
- Weekly sales velocity from the daily graded tape
- The registry growth curve and gem-rate drift
- Grading EV with the full break-even ledger
- The numbers behind every verdict stamp
Pro also includes unlimited Cynthia and binder-page scanning. Browse all reports
The full dossier covers 0 verified grade medians, the registry growth curve, sales velocity, and grading EV for Championship Arena · Nintendo Black Star Promos #28.