This Friday, April 13, 2018, photo shows a San Rafael High School newspaper from June 1974 referencing 420, that is stored at a bank vault in San Francisco. Friday is April 20, or 4/20. Thats the numerical code for marijuanas high holiday, a celebration and homage to pots enduring and universal slang for smoking. And five Northern California high school stoner buddies widely credited with creating the shorthand slang for getting high nearly 50 years ago now serve as the day's unofficial grand masters. (AP Photo/Eric Risberg)