GJ.25, 4th printing, rare example in carmine-rose and very clear impression, franking an entire letter sent from CONCORDIA to Buenos Aires on 5/MAR/1867. The text is about a negotiation for a lot of yerba mate, excellent quality! (Image)

GJ.25, typical example of 4th printing with VERTICAL FOLD variety, franking a folded cover sent from Buenos Aires to Dolores on 8/MAR/1866, with single circle "ESTAFETA AMBULANTE DEL F.C.S." cancel in ink, VF quality, rare! (Image)

Complete folded letter dated GUALEGUAYCHÚ 24/JUN/1866, franked with fantastic example of GJ.25B (4th printing lilac rose, clear impression), with mute "Fleur-de-lis" cancel, VF quality, with Alberto Solari certificate (Image)