Auction # 2006 WORLDWIDE + ARGENTINA: Selection of covers of all periods, cards, postal stationeries and more!

Entire letter dated Asunción 20/SE/1858, sent to Buenos Aires per steamer "Guayra", with the oval gray-green mark "ADMon GRAL - DE CORREOS - DE LA R. DEL P.", VF quality, entire letters of Paraguay from this period are very rare, and they help verify the usage dates of cancels and their colors!