If you’ve ever watched Paddington (2014) or its equally delightful sequel, Paddington 2 (2017), you’ll remember Mr. Gruber’s Antique Shop—the charming, wood-panelled haven of trinkets, teapots, and treasures, where the world’s politest bear finds both warmth and wisdom. But while Mr. Gruber himself is a fictional character from Michael Bond’s beloved books, his shop has a very real-life counterpart: Alice’s…