Japanese MA-Premium Trainer Box Mega PSA Population Report
The PSA population report for Japanese MA-Premium Trainer Box Mega counts 27 grades across 6 cards as of August 24, 2026. 23 of those grades are PSA 10s, a set-wide gem rate of 85.2%. The table lists every card of this set in GemRate's public PSA population tracking, with PSA 10 and PSA 9 counts, total grades, and per-card gem rate.
| # | Card | PSA 10 | PSA 9 | Total graded | Gem rate |
|---|---|---|---|---|---|
| 002 | Mew EX | 11 | 3 | 14 | n/a |
| 003 | Fezandipiti EX | 2 | 0 | 2 | n/a |
| 007 | Pidgeot EX | 3 | 0 | 3 | n/a |
| 010 | Squawkabilly EX | 1 | 0 | 1 | n/a |
| 022 | Prime Catcher | 1 | 1 | 2 | n/a |
| 041 | Lillie's Determination | 5 | 0 | 5 | n/a |
Gem rate is PSA 10s as a share of total grades, shown only for cards with at least 25 total grades; smaller samples say almost nothing about real gem odds. Source: GemRate public PSA population tracking, refreshed with every BetterPop data pull. Figures on this page regenerate on every site build.
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