A group of marks in 'CA' and in the inner oval below 'CA'.
Research notes:
The small marks in the top margin above the left crown and the 'P' are also constant, but not part of this CPV as they are found on over a dozen different Admiral values. These small dots were reported by Richard Morris in Vol. IX, No. 1, page 23 (2008) of "The Admiral's Log".
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