Chester M. Rogers (CMR) is known for his contributions to the elongated coin world, particularly in the 1970s. He was one of the most prolific engravers and rollers of elongates, his work is documented in various references, including the Encyclopedia of the Modern Elongated by Angelo Rosato (ROG). Collectors often seek out his elongated copper pennies, which are highly regarded in the numismatic community for their historic and art designs.