The signature looks like Ada Wilson, Born in 1873 -- maiden name Ada Briggs, mother of Lillian who was the wife of Earl Gage who ran a meat and grocery market on Main St in Morris. She was a nurse and married to Charles Wilson -- who was born in 1846.
To zoom in click on the first link below.
To make the back of the card easier to read I have rotated the image and attached it below.
7 Oct 1888 - J.P. Kenyon sold the corner store $3000. To J.A. Ward, but a 11 July 1888 edition includes J.A. Ward & Co. in advertisers. 30 April 1879 it was J.P. Kenyon when he was selling Dr. Fenner’s patent medicines.
Middle Ages Brought to Life by Morris School Fifth Graders
Depicting life in the Middle Ages in connection with their study of history, fifth grade pupils of the Morris central school recently presented an assembly program in costume.