The top lot in the Bonhams Ceres Collection auction was an octagonal intaglio ring in red garnet depicting Roman Emperor Marcus Aurelius. The ring, which was made in the 18th-19th century, soared past its pre-sale estimate of £1,000-1,500 to eventually se

The top lot in the Bonhams Ceres Collection auction was an octagonal intaglio ring in red garnet depicting Roman Emperor Marcus Aurelius. The ring, which was made in the 18th-19th century, soared past its pre-sale estimate of £1,000-1,500 to eventually sell for £31,250.