Petri Gyllii De topographia Constantinopoleos, et de illivs antiqvitatibvs libri qvatvor
A 1562 Latin scholarly treatise on the topography and antiquities of Constantinople by Pierre Gilles, printed at Lyon by Guillaume Rouillé for a learned humanist readership. The pictures are four near-identical woodcut decorative initial letters P, each a large serifed capital set in a square frame of leafy scrollwork, with the same design repeated across the pages.
