I think it's age is Georgian possibly Victoria. It is made in two halves, the over all length is 24cm, the blade is 13.7cm long x28mm wide.The handle is 10.7cm long x 28mm wide x 5mm at it's thickest point. The item "Antique Solid Mother of Pearl Hand carved Letter Opener" is in sale since Saturday, November 26, 2016. This item is in the category "Collectables\Pens & Writing Equipment\Letter Openers". The seller is "redgreenelephant" and is located in Carmarthen. 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, Canada, Japan, New Zealand, Israel, Hong Kong, Norway, Indonesia, Malaysia, Mexico, Singapore, South Korea, Switzerland, Taiwan, Thailand, Saudi arabia, South africa, United arab emirates, Ukraine, Brazil, Chile.