GJ.16 vertical pair of 4R. worn impression, on folded cover with dotted cancel, along Buenos Aires datestamp (12/SE/1862) and Montevideo arrival, VF, catalog value US$700. Upon request of the buyer it is sold with certificate of authenticity. (Image)

GJ.21, 1862 1P. rose with PARTIAL DOUBLE IMPRESSION variety (top border, CORREOS inscription), on folded cover to San Pedro, with dotted cancel and datestamp of BUENOS AIRES 14/NO/62, excellent quality, only one known with this variety! (Image)