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The aim of this paper is to presents preliminary results obtained during a study performed on artifacts made of copper-based alloys in two archaeological sites in Dobrogea, Romania (the two villages of Nufarul and Ibida). An integrated approach makes use of OM, SEM-EDX, XRD, FTIR and RAMAN spectroscopy both on surface and polished cross section and revealed the complex multilayered structure of the alteration layers. The investigations undertaken evidenced the complex nature of degradation and deterioration of copper-based artifacts in soil. The results demonstrate the effectiveness of the integrated approach employed to study corroded archaeological artifacts. Because of the low number of investigated samples and lack of information about the burial soil, general conclusion cannot be drawn and preliminary results are only reported.