FORENSIC CASEBOOK: Detecting half-tone lithography on an obscured label.
Recently a colleague brought to us a German nineteenth century violin with a manuscript label written in kurrentschrift (not sutterlein, as we reported originally) which is typically difficult to read, and obscured by dirt and chemical damage. As is normal in a case like this, the instrument was closed and the only way to examine […]
FORENSIC CASEBOOK: High levels of carbon in printer’s ink illuminated through the back of a violin at 850nm.
Violin by Jack Lott, c.1860 Of interest, we can see that the printer’s ink used to make the copy of a Stradivari label has a very high carbon content. Variations in the thickness of ink show that this was printed from moveable type in a form of makeshift printing press, with issues of over inking, […]
