In 1986, Mr. Pringle's face became rounder, his eyes become more apparent and his mustache was slightly changed. Minor changes were made to the logo in 1988; the shirt collar of Mr. Pringle is no longer visible and the apostrophe in "PRINGLE'S" was also dropped. This logo was brought back in 2011 for a series of "Rewind Edition" Pringles cans. Due to legal trademark issues, none of the previous logos were used in this edition. The apostrophe before the "s" was also removed. Mr. Pringles'…