Sure tanker. But i assumed that it was later reconstruction. The tanker had not thought to look. So thanks, davidships!

Not what we are used to seeing now, but this is a tanker.

ASTRA II ex-PERUVIANA ex-MODUM
4477grt 6878dwt 355.0 x 50.9 x 24.9feet
T3cyl
built Northumberland Shipbuilding Co Ltd, Howdon-on-tyne (Yd 242)

launched and completed 1920 for A/S Ivarans Rederi, Norway but not delivered.
1923 sold and completed for British Maritime Trust Ltd, London as PERUVIANA
1925 Cia Argentina de Petroleo “Astra” SA, Buenos Aires as ASTRA II
1964 Astramar Cia Argentina de Nav SAC, Buenos Aires
1966 scrapped

http://www.tynebuiltships.co.uk/P-Ships/peruviana1923.html
http://www.histarmar.org/BuquesMercantes/Marina%20Mercante%20Argentina/Tanques/AstraII.htm

Most likely it will be this ship: http://www.wrecksite.eu/wreck.aspx?15179