1839, 19 April Announcement of the Daguerreotype in the Greek newspaper Athens, 19 April 1839, pp. 54-55
Newspaper article Internet - Original source ill-defined (Alan Griffiths, 5 July 2022) I'm indebted to Theodoros Natsinas for locating the details on this announcement. The orginal copy is held in the Greek Parliament Library, Online source
