"James Murphy never gave up hope believing he'd find the high school class ring he lost in 1972."

Friday, a Chicago man operating a metal detector found the gold ring in the same yard where it originally slipped off Murphy's finger, after the new owner allowed a search of the property.

"It drove me crazy for more than 40 years," Murphy told Justin Breen at DNA info Chicago. "I knew it was in that yard. I'm in shock still."

(READ the full story, or LISTEN to it at DNAinfo Chicago)