Professor's Research: Professor Sada #21/SV-P #21 (Event Organizer Stamp) — Promo

Professor's Research: Professor Sada #21/SV-P card image

PriceCharting market prices as of 2026-07-05:

Condition / grade	Price (USD)
Ungraded	$1.69

Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-professor-s-research-professor-sada-sv-p-event-organizer-stamp-21