Sunday, July 27th!The Great American Beer Hall. 142 Mystic Ave, Medford, MA 02155 New England’s Newest Buy-Sell-Trade Expo for Collectors. Sunday July, 27th! Become a Vendor Buy Tickets Collector Expo - Trading, & Good Times! Collector Expo - Trading, & Good Times! Collector Expo - Trading, & Good Times! Sunday July 27thJoin the Collector Expo at the next event! Accepting Vendor Applications Vendor Interest Form Buy Tickets ➡ Corporate Sponsors