Corrientes, Keitschel #1, 14, 1856 1R Blue and 1877-78 3c Lilac, four single examples of 1r cancelled by three different pen strokes, as well as 3c attractive block of four used with "Corrientes/5 Marzo 79" c.d.s., all well margined making up a very fine group. (Image)

Est. $100-150

#1, 1858 5c Red, two examples in different shades, mainly large margins, one cancelled by oval datestamp of Montevideo, the other being tied to piece by complete blue double oval of Paysandú, one example with minute thin, otherwise fine, a rare duo cancelled on arrival in mail addressed to Uruguay; 2010 Del Mazo certificates. (Image)

Est. $300-400

#C29, 1930 1.80P Blue and lilac rose, usual centering, o.g., n.h., a very fine example of this very difficult stamp. (Image)

Est. $300-400