Auction Series 257-264 in Zurich Day 1

Paraguay War 1868: Rivadavia 20 c. vermilion, crossed lines, a used example on 1869 cover from Humaitá to Goya, tied by superb strike of rare barred "H" diamond obliterator in black of Humaitá. Circular CORREOS DE CORRIENTES transit cds (April 26) alongside in black. Much of the Paraguayan town of Humaitá was in the hands of the Argentinian forces by July 1868, finally falling in August 1868. Less than 10 examples recorded nearly all of which are on the Demarchi correspondence to Buenos Aires. An extremely rare cover in the foremost quality.
Catalogue 258: SOUTH & CENTRAL AMERICA -MOORHOUSE