The present collection of essays enters this breach and--by adopting a broad, interdisciplinary approach--considers connoisseurship afresh, investigating its practice in both familiar and unexpected places. Essays on the role of connoisseurship in Western art history appear alongside innovative, global perspectives on Chinese numismatics and walnut collecting, wine and coffee expertise, the market for geological specimens, and the parallels between Morellian connoisseurship and modern forensics. These essays resonate with one another in surprising ways and create new dialogues about connoisseurship's meaning and application, demonstrating that its practice can be both intuitive and scientific.