GJ.1, with double ellipse FRANCA cancel of San Luis (+200%), VF, signed by Alberto Solari (Image)

GJ.1, with rimless blue datestamp of CONCEPCIÓN DEL URUGUAY (+200%), superb example, signed by Alberto Solari (Image)

GJ.1, with 2 strikes of double ogive FRANCA cancel of Santa Fe (+200%), excellent quality, signed by Alberto Solari (Image)

GJ.1, 5c. red, very wide margins, franking a folded cover sent from Rosario to Paraná on 19/MAY/1859, excellent quality, signed by Victor Kneitschel (Image)

GJ.3c, with variety "Double frame line below and spot below the 1" (position 64 on the left half of plate A), excellent quality! (Image)

GJ.3A, 15c. dark blue, plate B, with semi-circle "CORDOBA-FRANCA" cancel, extremely rare, with Alberto Solari certificate (Image)