Blenko Glass Variation #82-C Butter Mould Rooster Paperweight. This is a Don Shepherd design added to the catalog in 1982. It is a black base with a white rooster. This is a non-catalog variation of the #82-C catalog design. It is about 4 inches in diameter and about 1 3/4 inches thick. There is a fire polished pontil mark. There are no condition issues.