![](https://assets-global.website-files.com/5bfe1dbd1c79453615be12b5/5e4dd19863188e07f6b4f04e_5db285cfbc53f8247fcd2c55_Wilson_broochRound_800.jpeg)
Robyn Wilson's brooch is made out of coloured, engraved titanium and blackened mild steel. One of a kind. The titanium is coloured using a process called "electrolytic oxidation" where the titanium is placed in a solution that has a an electric current passed through it. Different levels of voltage produces different colours. Handmade in Melbourne. Colours: green, bronze, brown.