Its not sicret : height of band in original sshr was 7mm
The relief of my copy is not very deep, because the original ring also does not have a deep relief, a very deep relief near the rings became in the 1940s.
As I understand it, the design of the ring was reworked, due to the rapid wear of the relief in the rings, the early version.
But my task was to repeat the original ring as much as possible, and not to invent and make changes, I concentrated on the maximum authenticity with the original and I think that I did a great job