Underpenny is a small, friendly antique store known for its affordable and unique items. Customers appreciate the wide range of treasures, from antiquity to recent pieces, that can serve as eye-catching centerpieces. The store stands out for offering good prices, making it possible to bring home quality antiques without spending a lot. Visitors enjoy spending time digging through the collection, which includes items like coins and vintage jewelry, displayed outside for easy browsing. The owner is described as polite, friendly, caring, and patient, often providing good deals to repeat customers. Despite its somewhat messy appearance, Underpenny is considered a hidden gem in Long Island City, filling a gap in the city’s antique shops with its welcoming atmosphere and treasure trove of items at great prices.