Big Boy 4014 Under Restoration Tin Sign The Big Boy No. 4014 may be riding the mighty rails of the Union Pacific Railroad once again as she is scheduled to be rebuilt to operational condition. This sign features builders photographs and specifications along with a list of preserved Big Boys. Display this beautiful 12" x 10" metal sign in your hobby room for all to see. The sign has pre-drilled holes for easy hanging. Made in the U.S.A.