Vintage Pair of Huge Cast Iron Box Car Hinges

Vintage Pair of Huge Cast Iron Box Car Hinges, hinges are in decent shape and show signs of use and corrosion from age. Price is for both hinges (sold as a pair) one is missing its bolt shown in pictures. According to my research I believe these hinges are early 1900s, please view pictures to determine for yourself.

Dimensions are approximately 16" x 9" x 1.5"