Up for your consideration is this antique fireplace mantle marble keystone with incised foliate carving. This keystone dates from 1870 to the mid 1870's. There are some very slight, almost not noticeable tiny dings (see photos) and some surface smudging that may easily be polished off if one chooses to install on a period mantle. I have left the original patina in the event the buyer wants to hang as an art piece. It measures 11" in H, 8" in W and 1 3/4" in D and weighs 8.7 Lbs. I will have 4 keystones listed for sale (this is one of a pair sold separately). Please view all photos carefully before bidding.