It has always had some light liquid residue dried on the inside. I have never tried to clean it. It has the blenko mark on the bottom. I have 15 other pieces that will be listed one at a time.
Please look at the pictures carefully as they are part of the description. I have never cleaned it out and there is cloudyness in it. The item "Blenko Ship Decanter" is in sale since Thursday, February 25, 2021.
This item is in the category "Pottery & Glass\Glass\Art Glass\North American\Blenko". The seller is "ask101" and is located in Marmora, New Jersey. This item can be shipped to United States.