Dovetail joints often hold two boards together in a box or drawer, almost like interlocking the fingertips of your hands. As the dovetail joint evolved through the last one hundred thirty years, it becomes a clue for the age and authenticity of antique furniture. The type of dovetailed joint, especially in drawers, reveals much about furniture construction and dating. With just a little study of these examples, it is easy to spot true hand made construction vs. machine made furniture.