New spoons cast in the pre-columbian tumbaga alloy and shibuichi
brought to colour with depletion gilding/silvering

Galerie Rosemarie Jäger
Wintergasse 13 – 65239 Hochheim – Germany


The coloured outer peel layer of citrus fruits, also called the epicarp or zest.


a non-specific alloy of gold and copper named by Spanish Conquistadors to metals composed of these elements found in widespread use in pre-Columbian Mesoamerica and South America. Many „golden“ masks are made from Tumbaga.

Depletion gilding

Depletion gilding is a method for producing a layer of nearly pure gold on an object made of gold alloy by removing the other metals from its surface. It is sometimes referred to as a „surface enrichment“ process.