Also the Habbakuk Scroll (1 A.D.) in the Rockefeller Museum (see the Encycloperdia Britannica online) and the Job scroll from 50 A.D. see Vermes, G. (2004). The Complete Dead Sea Scrolls in English. London, England: Penguin Books Ltd., Pg 472.
Both are written in Greek with the exception of the sacred name which is written in Paleo-Hebrew script.
It seems clear that versions of the Septuagint used by Paul had kurios in place of the Tetragrammaton. If not, some of his quotations applying the Old Testament to Jesus would make no sense (e.g. Romans 10:9-13).