GJ.8A, 10c. grass green, wide margins, with variety: "large accent above the second N of ARGENTINA", used in Rosario, VF quality, rare color and VERY RARE VARIETY! (Image)

GJ.10, 5c. without accent, RED-ROSE color, used in Rosario on 22/AP/1864, excellent! (Image)

GJ.10, 5c. without accent, very rare and notable PURPLE-ROSE color, very fine quality, one of the few known examples! (Image)

GJ.13A, 10c. WITHOUT accent, semi-worn plate, OLIVE GREEN color, with framed CERTIFICADO cancel of SAN LUIS in blue (+100%), excellent quality, very rare! (Image)

GJ.15, 5c. narrow C, red color, used in Rosario, very ample margins, with a tiny thin on back barely visible, superb front! (Image)

GJ.15A, 5c. narrow C, rare VERY PURPLE-RED color, with "Cº" variety, superb! (Image)

GJ.15A, 5c. narrow C, rare bright RED-CARMINE color, excellent! (Image)

GJ.15B, 5c. narrow C, extremely rare ORANGISH color, used in Rosario (the few known examples are used in Santa Fe), excellent quality, unique! (Image)