Bought a small anvil stamped C Dohl. It weighs 2 1/2 lbs 4 3/4" long 1 3/4" wide 2 1/2" high working face is 1 3/8"x3 1/8. Anybody know anything about it. How rare is is it. Is it worth much etc. All I can find is it was made by a company that made tools and anvils for watchmakers started in 1820.