Opal and Diamond "Butterfly" Brooch:
- One cabochon opal, 6.26 carats
- Enhanced by brilliant-cut diamonds, 3.82 cts total
- 18K white gold
- Maker's mark, M for Mikimoto
- Length 5.3 cm

Diamond Pin Brooch:
- One brilliant-cut diamond, 1.01 carats
- Maker's mark, M for Mikimoto
- 18K white gold
- Length 6.2 cm
- Accompanied by Mikimoto case