Want to be a big billionaire like Steve Jobs? Here's your first step! Dress for success and drop $1,000 on one of Jobs' turtlenecks.

The shirt in question is up for auction on the auction site Julien's Live. The turtleneck bears the NeXT logo and is size XL. The bidding started at $500 and, as of this writing, is now at $1,000 with four bids. The site estimates it could sell as high as $3,000.

Other items on the website that supposedly belonged to the late inventor include a portable CD player and Jobs' keys. Both are currently priced at $400.

Jobs first got the idea for his turtleneck craze when he went to Japan in the '80s and saw employees at Sony with uniforms. Jobs tried to get Apple employees to wear uniforms, but received backlash immediately. He still contacted the guy who made the Sony uniforms and had him make hundreds of turtlenecks for him, according to CNET.

Jobs died in 2011 after a fight with pancreatic cancer. He was 56.