A leather jacket once worn by Nvidia CEO Jensen Huang just went on auction, and it’s already fetching its estimated bid with more than a week to go until closing. The “Jensen Jacket,” originally designed by Tom Ford, was put up for sale by Sotheby’s, which initially estimated the jacket’s worth to be between $40,000 and $60,000. Its current bid stands at $60,000. It’s being auctioned as a “philanthropic initiative” by the venture capital fund Lo…