GJ.1308, $10 San Martín, offset, 2 stamps with varieties: white spot on the R of "Correos" and below San Martín's chin. Both original gum, one never hinged and the other one with stain points.
GJ.1397, Conference of American Armies, 3 items: one mint never hinged stamp, and two imperforate proofs printed on the original paper (one without red and blue, the other one without gray), mint never hinged.
