Early newspaper ad for Eight O'Clock coffee
Great Atlantic and Pacific Tea Co.
The Roslyn news., March 24, 1888, Page 2, Image 2, <a rel="nofollow" class="external free" href="https://nyshistoricnewspapers.org/lccn/sn95071389/1888-03-24/ed-1/seq-2/">https://nyshistoricnewspapers.org/lccn/sn95071389/1888-03-24/ed-1/seq-2/</a>