John Lennon's Tracksuit from 1970s Trip with Yoko Ono Goes Up for Sale

John Lennon and Yoko Ono had some serious swag back in the day, and now a piece of their stylish relationship can be yours ... if you've got an eye for 5-figure tracksuits. John's tracksuit, worn during a 1970 trip to Denmark with Yoko, is going up…