Most decades have a signature style (both in fashion and interior design), but that doesn't always mean a room follows that aesthetic to a T. At times, it can be tricky to date a space just by looking at a photo, though there are usually telltale signs here and there. What's that you say? You could spot a 1960s living room with one eye closed? We encourage you to put those eagle eyes to the test. All the spaces here are either from the 1950s, '60s or '70s. Read, set, guess!