I don’t even know how to describe this quirky Victorian beauty. 
It’s a locket, shaped like a kind of wheel, that clips open to reveal a glass locket on one side.
The exterior is chased all over with a floral pattern, typical of Victorian jewelry from that period.
Shown here with a 15 carat gold prince of wales chain 
Measures 35mm x 22mm X 166mm deep
Weighs 12.9g 
9 carat gold
English circa 1870 
Good antique condition - 2 small dings
On my website now 
Box also available but not included