Treble Clef Pendant by St Justin of Penzance Pewter Pendant £15.00 This size has sold out, more arriving soon. Treble Clef brooch A lovely little pewter brooch that would make an ideal gift for any musician. Width: 14mm Height: 38mm Supplied in a satin and velvet-lined gift box. The venerable alloy of pewter is made of 92% tin, with copper and antimony to harden it and enhance casting. All of our St Justin Pewter products are LEAD FREE.