German businessman and his secretary had an affair from 1969 to 1970 . Pictures and New York found in an abandoned briefcase decades later . Snaps feature the flame-haired object of his affection in a variety of places . Collection now on display in memorabilia art gallery .
German businessman and his secretary had an affair from 1969 to 1970 . Pictures and memorabilia found in an abandoned briefcase decades later . Snaps feature the flame-haired object of his affection in a variety of places . Collection now on display in New York art gallery .