It has the mark on bottom to show authenticity as you can see in one of the pictures. Remember its an original not like other copies without the mark of authenticity.Classic and elegant decanter by Waterford. The decanter is in excellent condition without any chips or cracks. The crystal is very clear with lots of sparkle. It measures 9.5high, weighs about 1 1/2 lbs. This lovely decanter is signed on the bottom with the Waterford signature. There are many variations in crystal. This includes, but is not limited to, size, weight, air bubbles and variations in color. Please remember that these items are vintage pieces and are not perfect and may not match existing pieces that you already own. I check the items over as thoroughly as possible and do my best to describe any imperfections found. However, sometimes things get overlooked, but we do try my best. The item "VINTAGE Signed WATERFORD Glandore Crystal Glass Spirits Liquor Wine Decanter" is in sale since Friday, March 02, 2018. This item is in the category "Pottery & Glass\Glass\Glassware\Waterford". The seller is "thekery" and is located in Rockville, Maryland. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Russian federation, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion.