1858 1p blue tied diamond of dots on cover from Buenos Aires to Concepcion de Uruguay, CORREOS DE BUENOS AIRES 12 SET 58 cds alongside, the 1p slightly touched on one side else fine (Image)

1859 1p blue, clear margins, on 1859 cover to Rosario, very fine, scarce, signed A.Diena (Image)

1859-1862 ‘Liberty Heads’ Selection on stockcard noted 4R green (2), 1P blue (14, including 6 unused), 2P red (2), 1P rose (7, including 2 unused), 2P blue (2), with different shades, mostly used, mostly very fine specialised group (Image)