The base is marked Waterford. It would make an excellent addition to your collection.
The item "Signed Waterford Irish Cut Crystal Lismore Pattern Brandy Liquor Decanter" is in sale since Sunday, February 22, 2015. This item is in the category "Pottery & Glass\Glass\Glassware\Waterford". The seller is "woofersue" and is located in Johnston, Iowa. This item can be shipped worldwide.