Royal Leerdam/Blenko/Foreign Advisory Water Goblets. In the 1970's all 3 manufacturers made a similar product and I'm not sure which this is.
The glasses measures 7 1/4" tall with a mouth of 3 3/8" and a base of 3 5/8 - its weight is 15 ounces. These four glasses are outstanding pieces with no chips, cracks or defects. The item "Colonial Williamsburg Royal Leerdam Water/Wine Goblet (SET OF 4)" is in sale since Wednesday, March 25, 2020. This item is in the category "Pottery & Glass\Glass\Art Glass\North American\Blenko".The seller is "jpdca_18" and is located in Henrico, Virginia. This item can be shipped to United States, 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, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Turks and caicos islands, Bangladesh, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Luxembourg, Monaco, Macao, Martinique, Nicaragua, Pakistan, Paraguay, Uruguay, Russian federation.