2204.4 (B) Variants for the ‚Ñó– Symbol
A variant of the symbol ‚Ñó– is acceptable only if it resembles the ‚Ñó– closely enough to indicate clearly that the variant is intended to be the symbol for a sound recording copyright. Acceptable variants include:
• The letter P with a parenthesis over the top.
• The letter P with a parenthesis under the bottom.
• The letter P with an unenclosed circle around it.