"The majority of horseshoe plaque trivets date from the late 1800s through the early 1900s, paralleling a period when fraternal orders were at their peak of popularity." The Expanded A-Z Guide To Collecting Trivets, page 54.
Little information is available on the manufacturing history of firms that produced these plaques. Collectors estimate 150 to 200 different Eagle Horseshoe variations were manufactured between the years 1880 and 1920.
Horseshoe Plaque Trivets share similar attributes. They were: