Dave Wille (left) and Ron Futterman, owners of Auction Merchandise Source, use their collection of sports memorabilia to help nonprofits raise money. | Joe Shuman~For Sun-Times Media
Dave Wille (left) and Ron Futterman, owners of Auction Merchandise Source, show off the many pieces of sports memorabilia in their shop in Lincolnshire. | Joe Shuman~For Sun-Times Media
Dave Wille talks with Ron Futterman about a Derrick Rose signed gym shoe. | Joe Shuman~For Sun-Times Media
Auction Merchadise Source in Lincolnshire has a stack of signed baseballs that are used to help raise money for nonprofit organizations. | Joe Shuman~For Sun-Times Media
LINCOLNSHIRE — With hundreds of authentic pieces of Chicago sports memorabilia, Dave Wille and Ron Futterman could amass huge profits — but they choose not to. That’s because their business, Auction Merchandise Source in Lincolnshire, works primarily with nonprofit organizations, providing items such as an …