Banco Central De Costa Rica, 100 Colones, ND (1988-90), F00000000, Progressive Proof & Specimen Proof (2), Progressive Proof cream paper with partial multicolour underprint around centre, hole punch to upper, lower, left and right and printers annotations lower right corner, reverse partial multicolour underprint around centre and printers annotation lower centre, Specimen Proof black on multicolour underprint with portrait of Ricardo Jimenez O at left and printers annotations lower right, hole punch to upper, lower, left and right, reverse view of Supreme Court and printers annotation low centre, (Pick 254sp, 254pp), In PMG holders, Progressive Proof 66 Gem Unc. EPQ Printers Annotation, Specimen Proof 67 Superb Gem Unc. EPQ Printers Annotation, interesting and unusual
