Figure 3

PHerc. 1420, ‘cornice’ 2. Pb distribution map obtained by MA-XRF scanning. By permission of the Ministero della Cultura (photo credit: Biblioteca Nazionale “Vittorio Emanuele III,” Napoli—Consiglio Nazionale delle Ricerche, Istituto di Scienze del Patrimonio Culturale) (A) and NIR image at 950 nm. Red lines mark the borders of each column and intercolumn; the violet rectangle marks the sample area imaged by us. By permission of the Ministero della Cultura (photo credit: Biblioteca Nazionale “Vittorio Emanuele III,” Napoli—Brigham Young University, Provo) (B).