Megalodon shark tooth, approx. 25 million years old. 373 grams, 5-3/4" long. Large megalodon (shark) tooth, from the coast of South Carolina, approx. 25 million years old. Completely intact, coral-encrusted specimen as from water recovery, some small chips or breaks, popular fossil collectible. With photo-certificate. (Estimate: $200 - 300)