It’s one of the longest continuously operating sports card stores in the country. The Ballpark, a fixture in the Minneapolis-St. Paul area since 1988, is celebrating its 30th anniversary this year. Owner Calvin Havercamp moved his shop once, but that was 17 years ago and he remains entrenched in Apple Valley, MN. The Ballpark is popular with old school collectors … [Read more...] about Notes: 30 Years for MN Shop; Gehrig Contract; BoSox Bats Featured; Hugs for Homers
