Beginning in the 1750s, some American insurance companies issued metal fire marks to policyholders to signify that their property was insured against fire damage. The fire marks bore the name and/or symbol of the insurer, and some included the customer’s policy number. The company or agent would then affix the mark to the policyholder’s home or business. For owners the mark served as proof of insurance and a deterrent against arson. For insurance companies the mark served as a form of advertising, and alerted volunteer firefighters that the property was insured.
The Clay Fire and Marine Insurance Company of Newport, Kentucky issued this fire mark in 1856. The mark is an unusually shaped scalloped cast iron piece, with a raised text that reads “CLAY/FIRE AND MARINE/INSURANCE CO/OF NEWPORT KY.” This fire mark’s design has been obfuscated by some deterioration. The Clay Fire and Marine Insurance Company operated from 1856 to 1879.