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This is a decent example of the look, but the information is scant.
This site says it is designed for Chief Petty Officer
It also shows that they sell gold bands, as well, to change the look to match your example better.
Fouled anchor is symbol for a Chief Petty Officer, E-9. If it had 1 star on top it would be a Senior CPO, E-10; 2 stars, a Master CPO, E-11. The emblem hasn't changed much over the years so age is unknown.