This is an original 1860 Morris & Essex Railroad RPO envelope, featuring the pre-Delaware Lackawanna & Western DL&W logo. The envelope, made of paper, is a collectible item for those interested in railroadiana and transportation memorabilia. It would make a great addition to any collection of public timetables, railroadiana & trains, paper, or collectibles. The envelope has been well-preserved and is in excellent shape, making it a valuable piece of history for any collector.