Stylistic reasons and the ductus of writing suggest that nos. 1 to 3 and 5 can be assigned to a single scribe in Sargon's service. Prosopographic details and the contents of these letters give good reasons to assume a date of 710/09 (during the conquest of Babylonia) for these letters:
The fragmentary letter no. 6, which differs considerably in its ductus from other letters, might belong to a letter of Sennacherib from 693 to 689, if one is right to reconstruct the fragmentary name Humban as Humban-nimena and if it thus refers to the Elamite ruler of the same name. The ductus of no. 4 resembles that of no. 6 and mentions the Saba'u in the context of tribute payments to Sennacherib.[[27]]
27 Cf. E. Frahm, Sanherib (1997), 145-146; H. Gaiter, Fs. Dostal (1993), 29-40; for the Sabaeans in Sargon's inscriptions, cf. A. Fuchs, Sar. (1994), 456.
Manfried Dietrich
Manfried Dietrich, 'The letters from the King (nos. 1-6)', The Neo-Babylonian Correspondence of Sargon and Sennacherib, SAA 17. Original publication: Helsinki, Helsinki University Press, 2003; online contents: SAAo/SAA17 Project, a sub-project of MOCCI, 2020 [http://oracc.org/saao/saa17/PresentationoftheLetters/FromtheKingnos.1-6/]