Year: Early 19th century
Weight:5.8 lbs
Early iron building "cornerstone" or plaque 10 3/4" x 71/4" about 1/2" thick. Incised is "Erected By Z. Allen 1827" The info that came with this sates Zachariah Allen was a textile mill owner in Rhode Island in the late 18th century through the early part of the 19th.
