Turning the inner and outer rings (which are the widest I have ever noticed on MOP) and both being the same distance from the edge on both sides; and the deepest I have ever noticed, also.
This example is a full 2-inches (approx. 50 mm) and both rings are greater than 1,4 mm wide and spaced at the same width as is the distance of the outer ring from the edge; 3 mm.
The denomination is also deep, while the "AG" is about what we normally see on MOP.
I would consider this Spanish craftsmanship at its highest level.
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