1909, Centenary of Revolution, 10c, 20c and 2b, set of three, each one with inverted center, full OG, previously hinged, F/VF, C.v. $285

150.00

1910, Colonel Ignacio Warnes, 5c green and black, center is inverted and shifted to the bottom left, imperforated block of four, top right stamp with a spot of gum loss, otherwise full OG, NH, VF

150.00

1916, Lake Titicaca, 2c carmine and black, Legislative Building, 10c orange and blue, both with inverted center, the last one has redistributed gum, large part of OG, previously hinged, mostly VF, C.v. $350

150.00

1924, Aviation School, imperforated complete set of five as issued, including both color shades of 10c stamps, all are top sheet margin exemplars, except stamp of 1b, full OG, NH or LH (1),VF and scarce assembly, Kessler or Sanabria guarantee hs on reverse, C.v. $1,000 as hinged

500.00

1930, Zeppelin issue, inverted bronze surcharge 5c on Aviation School of 10c vermilion and black, excellent condition, full OG, NH, VF, 300 stamps were printed with inverted surcharge, B. Moorhouse certificate, C.v. $200 as hinged

200.00