Model for a book lock clamp with the evangelist Mattheus; Red copper model for a mold of a book lock clamp. The show shows the evangelist Matthew with the angel and is encased in a rococo ornament; formed by three inward-looking c-volutes and in between two small; outward-facing c-volutes. The top is straight.; anonymous; Amsterdam; c. 1750 - c. 1775; copper (metal); cutting; l 2.7 cm x w 2.7 cm