Two of the earliest Renaissance plaquettes, long associated with Donatello and his school, are probably the work of Michele di Giovanni da Fiesole.
The emergence of Italian plaquettes in France and their use by the enamelers of Limoges, especially Jean Penicaud II and the Master KIP.
Examined is the discovery of an engraved rock crystal evidently serving as the master prototype for a quantity of late 15th century bronze plaquettes. A relationship of the rock crystal with Lorenzo de’ Medici is drawn by way of a relationship with its subject: a Head of Pan. Also discussed is the crystal’s reproduction in a sketch by a young Michelangelo and finally surveyed is the curious loss of the object’s meaning in exchange for what would become a universally vilified image of Attila the Hun.
Riddick collection No. 04 – Summary of a rare plaquette reproducing the classical “Felix Gem,” probably cast in Rome under the auspices of Pietro Barbo (future Pope Paul II).
Riddick collection No. 17 – Summary of a rarely discussed plaquette of Asclepius, reproducing an antique gem probably belonging to the Medici in Florence.