2005 (July): Cleaned mechanically and chemically with formic acid 10%; it was also immersed in Benzotriazole 5% for stabilization and covered for surface protection with Varnish Incralac 5% diluted in Toluene (Nikol Anastasatou).
Conservation
2008 (July 4): Additional mechanical cleaning using a microairabrasive unit (Nikol Anastasatou).