Possibly Dorrie Nossiter or Sybil Dunlop. Measures 4 by 3.5 cm. This lovely clasp can be worn as a pendant. Chain is for display only. A couple of cabochons with minor surface marks due to age and wear, but hardly noticeable.This item is in the category "Jewellery & Watches\Vintage & Antique Jewellery\Brooches & Pins". The seller is "willowbay1207" and is located in this country: GB. This item can be shipped to United Kingdom, Austria, Belgium, Bulgaria, Republic of Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Australia, United States, Bahrain, Canada, Japan, New Zealand, China, Israel, Hong Kong, Norway, Indonesia, Malaysia, Mexico, Singapore, South Korea, Switzerland, Taiwan, Bangladesh, Bermuda, Bolivia, Barbados, Brunei Darussalam, Cayman Islands, Egypt, Guernsey, Gibraltar, Guadeloupe, French Guiana, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Sri Lanka, Macau, Monaco, Maldives, Martinique, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Saudi Arabia, South Africa, United Arab Emirates, Chile, Bahamas, Colombia, Costa Rica, Guatemala, Honduras, Jamaica, Kuwait, Panama, Philippines, Qatar, Trinidad and Tobago.