One of the most abhorrent crimes committed by the German occupation forces in Greece—the execution of 200 communists on May 1, 1944, in Kaisariani—has resurfaced following the revelation of documentary photographs that appeared at auction on eBay by a Belgian collector. The Greek Ministry of Culture is seeking to claim the material. The Communist Party of Greece (KKE) identified two of the executed individuals from the photographs, drawing on its historical archive. According to the party’s website, 902.gr, research to date indicates that one of the photographs likely depicts 30-year-old Thrasyvoulos Kalafatakis—the man in the white shirt—and Dimitris Papadopoulos of...