In an age of over-exposed branding opportunities and internet porn, Playboy magazine doesn't exactly boast the same gentlemanly swagger, magnetism or cache it once enjoyed. But back in the day, Hugh Hefner and his roving bunch of bunnies epitomized the Playboy lifestyle. And Hef's personal Instagram, which seems to be locked on Throwback Thursday, is a visual testament to the glory days. Flick through the never-before-seen shots featuring the brand's custom DC-9 jet, monthlong editorial trips to Africa and plenty of beautiful girls frolicking in the sun.