SRL for [previewing]: Robert Guy , an associate curator at the Princeton Art Museum , was [previewing] a June antiquities sale at the auction house when he recognized the kylix , which he , as a specialist in Attic pottery and a careful reader of the Stolen Art Alert in `` IFAR Reports , '' knew was stolen .
ARG-0: Robert Guy , an associate curator at the Princeton Art Museum | ARG-1: a June antiquities sale at the auction house | ARG-M-TMP: when he recognized the kylix , which he , as a specialist in Attic pottery and a careful reader of the Stolen Art Alert in `` IFAR Reports , '' knew was stolen