Petrocorium comitatus vulgo la comtée de Périgort [cartographic material].Blaeu, Joan, 1596-1673166-?]latBEIN 1973 Folio 18: Backed with paper. Ms. no. "56" in upper-right corner. Sheet measures 53.8 x 63.4 cm. No. 51 of 87 maps bound together.Relief shown pictorially.Prime meridian: Ferro.Bar scales given in "lieues Francoises" and "milliaria Germanica communia".Watermark.