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The 517 Card Show is a Halloween-day show on Saturday, October 31, 2026, at the Kensington Valley Outlet Mall, 1475 N. Burkhart Road, Howell. It is indoors in the Hanes Building, next to Twin Rose Tattoo Studio.
The show runs 10 a.m. to 5 p.m. Admission is $5. Kids get in free, and parking is free.
More than 40 dealer tables are planned, covering Pokemon, sports cards, One Piece, Magic, Yu-Gi-Oh!, Funko Pops and other collectibles, along with handmade and small-business vendors. A costume contest at 1:30 p.m. awards sealed product, and there is a free raffle with no purchase needed.
Sage Monahan organizes the show. Contact is [email protected] or @517cardshow on Instagram.