Handmade ring. 
Unique piece made of brass and then dipped in gold. 
One size: 
ITA: 15 
US: 7 1/2 
UK: O. 
It is possible to request another custom-made one in this style. 
Possibile also in silver 925
Each piece will be different because it is handmade. 
The color may vary slightly from the photograph.