Winchester Arms Collectors Midestern Show – OGCA Invitational Show Details 📍 Location: Wilmington, Ohio Roberts Centre 123 Gano Rd ⏰ Hours: 8:30 AM to 2:00 PM Winchester Arms Collectors Midestern Show – OGCA Invitational held by Ohio Gun Collectors Association at Roberts Centre Contact Promoter 📞 Phone: (330) 467-5733 ✉️ Email: ogca@ogca.com 🌐 Website: Visit Site