Introducing the stunning Costa Rica 1964-70 PMG 66, 20 Colones, P-231s, Specimen banknote! This rare and highly sought-after piece showcases exceptional artistry and design from a historical era. Graded PMG 66, this uncirculated gem boasts crisp details, vivid colors, and sharp corners, encapsulated in a protective holder to preserve its beauty. A must-have for discerning collectors, this Costa Rican treasure is a valuable addition to any numismatic collection. Don't miss your chance to own a piece of history!