Riddick collection No. 12 – Summary of a rarely discussed and uncataloged plaquette bust of Caesar probably cast after a Renaissance or Baroque gem.
Riddick collection No. 02 – An in-depth discussion of bronze casts reproducing the celebrated Tazza Farnese, linked to a modern facture in the Chiurazzi foundry of Naples and an unidentified foundry probably in Florence.
Riddick collection No. 03 – A unique, modern bronze cast of the famed Gemma Augustea.
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. 07 – Summary of a rare plaquette reproducing the head of a satyr, being a freehand copy after an antique or contemporaneous carved gem.
Riddick collection No. 17 – Summary of a rarely discussed plaquette of Asclepius, reproducing an antique gem probably belonging to the Medici in Florence.
Discussions on the influence of Giovanni Pietro di Birago’s illuminations on mid-16th century reverse painted rock crystals and the alignment of a pax with a Spanish rather than Italian origin.
Examining two rare Lombard paxes inspired by German designs or borrowed from reliefs of German origin.
A popular pax after Michelangelo’s Pieta for Vittoria Colonna and a Deposition pax are here suggested as the product of Ludovico and/or Jacopo del Duca while a later variant of Michelangelo’s Pieta, formed as a pax, is given to a Venetian workshop active in the first part of the 17th century.