The w:en:Duenos inscription is an Old Latin inscription from a vase found near the Quirinal Hill in Rome.
Source: John Edwin Sandys, "Epigraphy", in A Companion to Latin Studies (ed. John Edwin Sandys), Cambridge, Cambridge University Press, 1913; p. 733, plate 108.
This, in turn, credits Heinrich Dressel (1845–1920), Annali, pl. 1, 1880. Probably this means the Annali dell' Instituto di Corrispondenza Archeologica.
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