League Staff #153 (Professor Program) — Promo

PriceCharting market prices as of 2026-10-20:

Market context: ungraded price -2.9% over 30 days. -2.9% over 90 days.

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Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-league-staff-professor-program-153