S.A. Ilsley & Co: Ilsley was featured somewhat in one of my previous posts about their humidor tins which were used not just by Cameron & Cameron, but can also be found for some other brands. Ilsley was based in Richmond, VA unlike Somers and Ginna who were in New York, but it was also merged into American Can Co. and it later used the designation A.C.Co.8-A.
Below is an image of the Ilsley mark on a humidor tin:
