Silver Guilt by Judith Cutler

A Lina Townend Mystery -Lina Townend is making a name for herself as an antiques dealer, in partnership with her old friend, Griff Tripp. When she is accused of stealing an item she is selling for her father, the disreputable Lord Elham, her plight attracts the attention of Piers, a handsome fellow dealer. But is Piers all he seems? And what about the kindly policeman investigating the case? There's only one person she can really trust - Griff. But when violence threatens him, Lina has a difficult decision to make . . .