1936, Hispanic civil war, envelope from American Battle ship OKLAHOMA with 3 C with postal stamp U. S. S. OKLAHOMA from 25. July 1936 AIDS REFUGEES / BILBAO, SPAIN; on the occasion of one training ride, the by the outbreak of the Hispanic civil war interrupted was, has the Oklahoma at the 24.7.1936 American citizen and others refugees from Bilbao evacuated and to Gibraltar brought, good condition