Bronze plaque mounted on the front wall of the Cookstown post office. The top of the plaque features an image of the post office in an earlier era, captioned "Post Office in Coleman house 1873", as well as the coat of arms of Simcoe County in the bottom right corner. The inscription reads: "Honouring three consecutive generations of the Henry Coleman family, who have faithfully served as postmasters in the Cookstown community. Appointed postmaster: Henry Coleman, Sept. 1873-Feb. 1912; Frank Coleman, Feb. 1912-July 1942; Henry Albert (Bert) Coleman, 1942-1973. This post office is one of two in Canada which have been continuously served by one family for over a century. Erected by Simcoe County Historical Association 1974."