Int he last ten years I have been using terracotta and frost-resistant clay burned at 1250 C for my sculptures. The final patina is made by cold paint. Sizes vary between 50-80 cms. Besides medallions I also make reliefs and masks that can directly be fixed to walls. I do not use moulds when creating my works, so each of them is unique.
The sculptures can be viewed in slide mode, too. For that first you have to set the time interval between each graphic and then click on slideshow.