GJ.2, provisional with goose quill stroke through the value (white and flexible), with attractive pen cancel, superb quality, signed by Alberto Solari on back, rare! (Image)

GJ.7, dark blue, with mute barred cancel of Corrientes, VF quality! (Image)

GJ.12, brick rose, with the extremely rare blue rectangular datestamp of MBURUCUYÁ (+300%), excellent quality! (Image)

GJ.13, redish lilac, beautiful mint block of 4, VF quality! (Image)

GJ.15T, chocolate-lilac color due to effect of the brown gum, TETE-BECHE pair, mint original gum (+50%), with some minor defects but of very fine appearance and very rare! (Image)

GJ.16, dull rose, with straightline SALADAS cancel (+150%), VF quality! (Image)

GJ.16T, dull rose, TETE-BECHE pair cancelled Corrientes 20/AU/1879, very rare, VF quality! (Image)

GJ.17, dark purple, superb copy, extremely rare in this color! (Image)

GJ.18, revenue stamp with signature of FAVA, very fine quality, rare! (Image)

GJ.18, revenue stamp with signature of HARVEY, very fine quality, rare! (Image)

GJ.18, revenue stamp with signature of MIRANDA, very fine quality, rare! (Image)

GJ.18, revenue stamp with signature of SANCHEZ, very fine quality, rare! (Image)

GJ.18, revenue stamp with signature of SOLARI, very fine quality, rare! (Image)