Keywords: Postcard of Postojna Cave train 1940s.jpg Postcard of Postojna Cave train s 1940 http //www ebay com/itm/Railway-Locomotive-POSTOJNSKA-JAMA-Postojna-Slovenia-Vintage-RP-c1940s-Caves-/381383464592 author PD-Slovenia 1940s postcards of Slovenia Postcards of the interior of Postojna Cave Postojna Cave train |