PREHISTORIC FISH FOSSIL IN STONE MATRIX: Purchased in brazil circa 1960's. Split stone matrix having a prehistoric fish fossil possibly from the Santana formation. Two initials carved on the exterior of matrix which are probably the geological digger's. Also included is a stand to hold the top matrix. Stone matrix Approx. 3.5'' h x 10.5'' l x 5'' w. Fish fossil Approx. 9'' l.