Model for a book lock clamp in the form of a capital with floral motifs; Red copper model for a mold of a book lock clamp. The show shows flowers in a rococo ornament; formed by two large; inward-looking c-volutes. Above that a shell shape. The top and bottom are straight.; anonymous; Amsterdam; c. 1750 - c. 1775; copper (metal); cutting; l 4.6 cm x w 4.6 cm