b'Forty years ago this week, the Chicago Bulls drafted Michael Jordan \\u2014 giving rise to the holiest of basketball grails. Twenty-three autographed Jordan rookie cards would be scattered across the globe, in the form of Wonka-esque golden tickets. But at last check, nine of these cards had vanished. Correspondent Bradley Campbell gets to the bottom of a seven-figure mystery \\u2014 spanning four decades, three continents, black-market conspiracies and an armored-car robber \\u2014 that presaged the modern era of sports collectibles as an asset class.\\nLearn more about your ad choices. Visit podcastchoices.com/adchoices'