Depending on the style or the dimensions, every piece can subtly evolve, as a natural result of the hand finishing and the patina applications. Most of the pieces have an oxidized finish - it's part of their essential look. Oxidization is a natural process of tarnishing under the influence of sulphur in the air. Over time, the black film will disappear there where the surface of the jewellery piece rubs with your skin or clothing. it's our way to offer you the chance to adapt your piece of jewellery in a unique way.