He/she's really trying to throw the scent off, by listing it as circa 1980's ha ha... Play dumb and nobody will ask questions.
It's the oldest trick in the book, used to see it in the Trading post, especially in the Automobile section, you know what I'm talking about: "Excellent condition for age, lady owner only used to drive it to church on Sundays" and when you went to see it it actually looked and sounded like it was taken rally driving every weekend.