Related Clues:

• a metal G? That's the sort of thing I am, but not originally (9)
• Making a copy of a high note
• A tin G? That's the thing I am, though not originally
• It's high, by the sound of it, but not originally
• Seems I am that thing, a metal G, but not originally
• Not the original form of a high note
• The imitation of a high note?
• Imitating a gentle sound
• Impressionistic work?
• Impressionist's art
• Mimic's activity
• Mimicking mockingly
• Mimicking a short, sharp ringing sound
• Copying small brooch in silver
• Making copy of silver-coated brooch