Wonderful set of old cast iron bookends featuring Rodin's "The Thinker". These appear to be cast iron (they are ferrous) with a copper patinated surface. Each one is marked on the back with a number "4". The felt on the bottoms looks like it has been there for a long time.
Each one is approx. 5-1/2" tall x 4-1/4" wide x 2" deep. Together they weigh 4 lbs. 14 oz.