They are in excellent condition. I did not see any flaws.
I believe this was made by Dorflinger. The item "Antique American Brilliant Cut Glass Centerpiece Bowl & Plate Russian (i&a3)" is in sale since Sunday, December 13, 2020. This item is in the category "Pottery & Glass\Glass\Glassware\Cut Glass\American Brilliant". The seller is "judgar-93" and is located in Clifton Heights, Pennsylvania. This item can be shipped to United States, Canada, United Kingdom, Denmark, Finland, Hungary, Malta, Australia, Greece, Portugal, Japan, Sweden, South Korea, Belgium, France, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Mexico, New Zealand, Switzerland, Norway, Chile, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Barbados, Bermuda, Guadeloupe, Cayman islands, Liechtenstein, Luxembourg, Monaco, Martinique, Nicaragua.