From the front a black parisisal (straw) ring is visible. But at the back there is a step to black and white pattern crown.
 
The black ring is 62cm circumference, 4.5cm high. Then the back steps 1cm higher. 
Secured in place with 1 comb and 4 elastic loops. 
This piece is shallower than my other pillboxes. If you have any questions please let me know. 
 
Elastic colour to be confrimed prior to shipping.
Measurements are approximate.