The tortoiseshell usually came from the hawksbill (caret) turtle. It was softened in boiling salted water before being moulded in heated dies . Two main decorative effects were used. In piqué posé, the pattern was engraved into the surface and filled with flakes or threads of precious metal. In piqué point, gold pins were inserted to form the design. All the objects in this case are formed by piqué posé.