Related: Report: Lego bricks better investment than gold

“As a status symbol for the elite and ultra-rich, the main factor affecting the secondary market for Birkins is desire,” the study said. “All signs point to that desire remaining as strong throughout 2016, as it has been since the bag was released in 1985, with media outlets fawning over celebrities such as Kim Kardashian and Victoria Beckham, who regularly sport their Birkin bags in paparazzi pictures.

"Beyond the media attention, the exclusivity of the bag, along with the difficulty in purchasing one brand new from Hermes, means 2016 begins with demand far outweighing supply on the secondary and investment market for Birkin bags."

>> Read more trending stories

The bags, which come with a waiting list that is years long, increased at an average of 14.2 percent a year in value. Over the 35 year period of the study, the increase was over 500 percent.

So instead of putting $50,000 in gold, put it into an Hermès Birkin bag instead.