Prewar Lionel Standard Gauge flat car? original box. Box is unmarked on outside, one inner flap is marked 511 C. Box is square and solid with no missing flaps, tape or material. Box has minor staining and darkening. Box is super square and solid with very little surface wear. Please view the photos of the items in this lot carefully as they are being sold as they are shown in our photos with NO returns or refunds.