Basically selling fandom.
I don't think a deal like this goes over with the public for many other franchises (perhaps the Cardinals could do it -but somewhere I read public stock is not allowed in MLB -maybe with the antitrust thing.)
Only individuals can buy it, the Pack has no obligation to pay you back, no one can buy more than 200 shares, you receive no protection from securities laws, the team and NFL "severely restrict" any stock transfer and you should not expect any profit, dividend, tax deduction or economic benefit in general.
The Press-Gazette reports that those buying the initial allotment of 250,000 shares will be allowed "to vote on team business, including directors, and attend annual meetings. Shareholders do get such perks as exclusive locker room tours."
Kevin Quinn, an economist at St. Norbert College, told the Press-Gazette the 12-by-8-inch certificates were essentially memorabilia and defended those Packers faithful who would shell out a quarter-grand for one.
"It's not the worst thing you could spend your money on. You'd spend the same amount of money on a team jacket and you can't pass that on to the kids," he told the paper, without explaining why you can't pass on a jacket to your children.