You won't find many sports card shops that launched in the 1980s still in operation today. The Ballpark in Apple Valley, MN is one of them--and not because they carry all of the "latest products." Owner Calvin Havercamp has done it his way--with a heavy emphasis on vintage cards and memorabilia. The shop opened on July 5, 1988 and sold plenty of … [Read more...] about Minnesota Shop Heads Into 31st Year
