Four pairs of gem-set cufflinks, by Trianon

Four pairs of gem-set cufflinks, by Trianon
One pair set with lapis lazuli plaques inset with circular-cut emeralds; one pair with cushion-shaped onyx terminals inset with circular-cut emeralds; one pair set on one side with shells, olssonella funiculata, with cabochon cornelian detail on the other with cornelian baton terminals; and one pair set with carved cabochon iolite with central diamond detail
Each signed Trianon, numbered (8)