Several of my friends who are Green Bay Packers fans (see “cheeseheads”) own a share of the team. It’s a cool concept, especially in the NFL, where team ownership usually is a single wealthy investor. Now comes word we can all own a tiny fraction of, say, the shoes that basketball great Michael Jordan wore to make sports history or a New York Times signed by the three astronauts who completed the 1969 Apollo mission to the moon. Fast Company reports that Rally, an investment platform that lets you invest in small shares of collectables, is displaying these and other wares in New York City at “This Belongs in a Museum.” If you like what you see, you can invest with the app. Perhaps you would like a $132 share of the Topps 1952 Mickey Mantle rookie card worth $132,000, or a $24 share of the first edition of “Harry Potter and the Philosopher’s Stone,” worth $72,000.

The museum is at 250 Lafayette St. in Manhattan. We’re not sure what you do with the share once you buy it, or if they can be redeemed at some point. 

Other things we’d like to see displayed: 

• A helicopter used in the heroic mission, coordinated in part by Ambassador Kenneth Quinn, to airlift some of the 100,000 South Vietnamese refugees as Saigon fell in the Vietnam War.
• Lab equipment used by agronomist Norman Borlaug in launching the Green Revolution that helped ease world hunger.
• One of the Van Allen radiation belts, discovered and named for famed University of Iowa physicist James Van Allen. (This one would be tough to ship.)
• The ball that Hawkeye quarterback Chuck Long carried during “The Bootleg” against Michigan State, or the cleats that Cyclones quarterback Seneca Wallace wore during “The Run” against Texas Tech.