Casting from a nature objects takes a few steps. First of all we need to find perfect branch or leaf or seed etc. Then rubber or silicone mold is made and  filled with wax. When wax model is ideal and fits our vision it is casted in silver in lost wax technique. That's a very brief description of what goes into making silver castings of natural objects in silver.
 
Please note, as each piece is handmade and due to monitor settings, some details may vary slightly from the image.