Naviera Ason S.A. of Santander's newly purchased 1953 Matagorda built ALFONSO, the former ALCACER of Cia Frutero-Valenciana de Nav S.A. "Cofruna" of Valencia, is seen passing Hochdonn, on the Kiel Canal, early on 10th July 1969 eastbound for Hernösand in Sweden. She had sailed from Gijon on 3rd July for Bremen.

EX-ALCACER-69 EX-VILLAMARTIN-57
BU Seville 10.77

regarding Matagorda see:
https://www.navantia.es/en/about-us/who-we-are/history/

In 1908, the shipyards of Cartagena and Ferrol became part of the Naval Construction Society (popularly known as “La Naval”) to which also belonged civil shipyards such as those located in Matagorda and Sestao, which would become part of Spanish Shipyards group (AESA) in the late 1960s.