A: Roma, Lazio, Italy, B: Roma, Lazio, Italy
Before August 28, 1469 Cardinal Basilios Bessarion published Adversus calumniatorem Platonis. Add: Correctio librorum Platonis de legibus Georgio Trapezuntio interprete. De natura et arte in Rome at the press of Conrad Sweynheym and Arnold Pannartz. This treatise against criticism of Plato made by George Tapezuntius (Georgios Trapezuntios) was the first full exposition of Plato's thought to appear in the West.
ISTC no. ib00518000. In November 2013 three digital facsimiles of this work were available. That from the Bayerische Staatsbibliothek was available at this link.