There are no maker's marks. The underside is yellow gold and there is a horizontal suspension pin. Size: 35 x 27 mm (1.38 x 1.06 inches) Weight: 7.6 g.Have a look at our other items. If you have any questions we are more than happy to help. _gsrx_vers_1271 GS 8.3.4 (1271). The item "C1895 Art Nouveau Gold & 2 Carats of Diamonds Brooch" is in sale since Monday, March 9, 2020. This item is in the category "Jewellery & Watches\Fine Jewellery\Fine Brooches & Pins\Diamonds & Gemstones". The seller is "parade-antiques" and is located in Plymouth. This item can be shipped to United Kingdom, Austria, Belgium, Bulgaria, 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, Israel, Hong Kong, Norway, Indonesia, Malaysia, Mexico, Singapore, South Korea, Taiwan, Thailand, Bangladesh, Bermuda, Bolivia, Barbados, Brunei darussalam, Cayman islands, Egypt, Guernsey, Gibraltar, Guadeloupe, French guiana, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Sri lanka, Macao, Monaco, Maldives, Martinique, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Saudi arabia, South africa, United arab emirates, Bahamas, Colombia, Kuwait, Qatar, Uruguay.