It's afamily affair at Nottinghamshire's Newark Antiques Fair, as Mark Stacey shops with two sisters in search of vintage toys and Catherine Southon helps a father and daughter duo on a quest to find jewellery. Natasha Raskin Sharp monitors events and also meets baker Alastair Hawken, who teaches her about the resurgence of Grantham gingerbread, after it was invented by accident over 280 years ago