GJ.47, 8c. on 10c., cancelled "BUENOS AIERES - O.M.", very fine! (Image)

GJ.61a, with VARIETY: "2" without serif (Image)

GJ.63a, "2 without serif" variety (Image)

GJ.67, ½c. on 15c., black ovpt. (Image)

GJ.68, ½c on 15c., carmine ovpt., very fresh gum, scarce. It has a pressed out crease, good appearance, low start (Image)

GJ.71f, with INVERTED OVERPRINT, rare! (Image)

GJ.80, with VARIETY: lower frame broken below "EN" of CENTAVO (Image)

GJ.80A, pair in indigo color, VF (Image)

GJ.85, 5c. Rivadavia (Image)

GJ.94, perf 12, with small cancel strike (Image)

GJ.98A, 2c. postal card with additional postage of 2c. (1c. pair, WORN plate), sent from Buenos Aires to Germany in SE/1891 (Image)

GJ.101, with VARIETY: double vertical perforation (Image)

GJ.106, MNH (Image)

GJ.114A, 60c. black-gray, VF quality (Image)

GJ.116, $5 Lamadrid, VF (Image)

GJ.118, $20 Brown, VF (Image)

GJ.130, perf 11½ x 12 (Image)

GJ.144, small sun wmk, perf 11½ (Image)

GJ.145, small sun wmk (Image)

GJ.149/51, $1 brick red + the 2 high values of the set (Image)

GJ.164, small sun wmk, perf 11½ x 12¼ (Image)

GJ.168, small sun wmk, perf 11½ x 12 (Image)

GJ.174/9 + 181/9 + 174A, set with large sun wmk without the 12c. (Image)

GJ.217, block of 4, PROOF on card, in dun color, VF (Image)

GJ.227, block of 4, PROOF on card, in bluish green, VF (Image)