Cardboard Promotions Big Sports Card & Memorabilia Show, Presidents Day, Monday, February 19, Holiday Inn, Dedham, 8:30 am-2:15 pm, $3 admission, under 12 free. buy-sell-trade and old new sports & non-sports cards, collectibles & autographs, free hourly door prizes, card grading. Autograph Guest: Patriots Stanley Cup Champ Shawn Thornton. Rt. 95 to Rt. 1 North to the Holiday Inn, since 1991