GJ.11, 11c. yellow-green, without accent over the U, used with biconcave ellipse cancel of 'Correo Nacional del Rosario' in black, 3 good margins and one short, rare cancel in black! Catalog value US$250.
GJ.8b, 10c. with accent, yellow-green, with VARIETY "8 cut angles", also some NOTABLE plate wear, with "CERTIFICADO" cancel of Rosario in blue (+100%), excellent!