Hannibal and Saint Joseph Railroad 2-6-2 Class R-2 687 presumed at Philadelphia, Pennsylvania on an unknown date in 1901, photograph by the Baldwin Locomotive Works, Chuck Zeiler collection. Number 687 was built by Baldwin in 1901 (c/n 18824), renumbered in 1904 to CB&Q 1734, sold for scrap in September 1948. The following is from the book, Steam Locomotives Of The Burlington Route, by Bernard G. Corbin and William F. Kerka:
Hannibal and St. Joseph Railroad No. 570 to 573 were ordered originally as H&StJ 681 to 684. These were changed to KCStJ&CB, same numbers but, as the engines were to be used on the H&StJ, they were lettered with the initials of that road, and H&StJ 840 and 841 were ordered as H&StJ No. 686 and 687. These were changed to CB&KC, same numbers, but also lettered for the H&StJ. These changes were made at the Baldwin Works before the engines were delivered, which explains why the Baldwin Works issued a photograph of H&StJ 687 while the records show the engine to have been delivered under another number.