Canadian. 1930s. Single sided tin (SST). Marked, "St. Thomas Metal Signs Ltd., St. Thomas, Ont. / BB-18 x 54 - P" lower center and right edge. Condition: 8.5. Exhibits creases and shallow impressions within the extreme lower left and upper right quarters. Three added mounting holes, two within the upper margin and one in the lower left quarter. Scattered minor creases. Minor surface abrasions, mainly within the extreme raised border. 53 1/4 x 17". CODE:SIG