Eisenberg Original Light pastel blue Brooch Fur Clip Signed 1940s Pin Sterling Silver Jewelry. Rare book piece designed by Ruth Kamke. THIS IS THE BOOK PIECE shown in the Sharon Schwartz Eisenberg Originals jewelry identification book. I acquired this piece from the author's personal collection.Color is a very, very super pale light blue. Again this is not a book piece. It is THE BOOK PIECE with provable provenance.