The stamp shows the name LAGO IPOA on the bow, not any ship under that name has been sailing under the Paraguay flag, and comparing the hull form with the photo of the LAGO YPOA she must be the vessel depict on this stamp.
Built as a tanker under yard No 69 by the yard of Thomas Ruiz de Velasco S.A., Bilbao, Spain for Flota Mercante del Estado, Asuncion, Paraguay.
05 November 1960 launched as the LAGO YPOÁ.
Tonnage 1,122 grt, nrt?, 1,350 dwt., dim. 76.64 x 12.00 x 3.89, draught 3.20m. length bpp.68.0m.
Powered by one MWT diesel engine, manufactured by Motor Werke AG Manheim, Germany, 900 hp, one screw, speed 12.0 knots.
Bunker capacity 56 ton, daily consumption 4 ton.
Cargo capacity 1,990 tons. Eight cargo tanks.
Crew 16.
October 1961 completed.
1997 Transferred to Flota Mercante Paraquaya S.A. ( Naviera del Mercosur S.A. Asuncion) not renamed.
2006 Rebuilt in a container vessel by Astillero Chaco Paraguayo S.A., a new wheelhouse built above the original one. And fitted out with hatchway and hatch coaming
2013 In service, same name and owner. IMO No 5202213.
Paraguay 1985 75g sg?, scott2156
Source
http://www.histarmar.com.ar/MarinaMerca ... goYpoa.htm http://wwwmiramarshipindex.org.nz