Shipping – registered air mail ! 15 

Very good for collection !

size - 
Inside ring width (inner dimension) - about  18 mm

Height inside ring (inside dimension) - about  18 mm

Weight  - about 2.1 grams

If You have any questions-please contact us before bidding and you will receive clear answers.

PLEASE, SEE THE PICTURES.

Please see my other items, there are many interesting things !!!

You buy exactly what you see in the photo!

Have a good shopping !