Wrought iron chain of 0.75"-long oval links. One end of chain has large iron ring attached; nothing at other end.
Metal strip (42.1.1A) is unattached with unknown purpose. Dimensions are: 0.5" W 9.375" L and 1/16" Thick. Each end is slightly widened with two holes at each end.
Note attached to chain reads, "Wrought Iron Chain Pull for Door Bolt from building erected in 1756 in Lancaster, Pa"