Master Ball Markets

Master Ball Markets takes place at American Legion Post #331 in Brownburg, Indiana on Saturday, May 2, 2026. Doors open at 10:00 AM and the show runs until 4:00 PM. Browse vendor tables featuring sports cards.

What to Expect

This card show in Brownburg, Indiana brings together dealers and collectors with vendor tables to browse. Expect to find sports cards. Doors open on Saturday, May 2 at 10:00 AM. No registration is required — just show up. The event is held at American Legion Post #331. We recommend arriving 15–20 minutes early, especially if this is your first time visiting.