These are not dated and the year that they were made is unknown. There are no markings and the maker is also unknown. These are made of thick steel sheet metal and they have chrome bases as well. On the bottoms are black foam rubber to protect any bookshelf surface. These are heavy and quality made. The total overall size of each book end measures about 6-7/8'' x 7-1/8'' x 3''. They are in mint unused condition as pictured.