Book: ROSASCO, Enrique: Los sellos de la Confederación Argentina, 267 pages, very useful book for the collector interested in studying this issue in depth! (Image)

GJ.1/6 + 1d, 1e, GJ.2 in two shades, and 5A, the complete set + some varieties, excellent quality, several MNH, superb! (Image)

GJ.1e, "double period after CENTAV", with spectacular wreathed SALTA-FRANCA cancel, excellent quality, signed by Solari (Image)

GJ.1e, "double period after CENTAV", with spectacular green-blue FRANCA cancel of San Luis in oval (+300%), superb, signed by Solari (Image)

GJ.2BID, 10c. green, diagonal bisect used as 5c. on fragment, with ellipse ROSARIO - FRANCA cancel, VF quality, signed by Alberto Solari on back! (Image)

GJ.3, 15c. blue, with ellipse MENDOZA - FRANCA cancel (+50%), VF quality, signed by Alberto Solari on back! (Image)

GJ.6b, 15c. blue, large figures, with variety: "Bottom Greek pattern incomplete", VF! (Image)