Check the listing for details. Killer Post Dinosaur Age Fish Fossil Mortality Plate Acid Prep Bottom Cap GRF. Condition: New. Listed at 200.00 USD. This listing is for a wonderful mortality plate of Knightia consisting of three articulated specimens and two partials from the bottom cap oil shale horizon of the Eocene Green River Formation of Wyoming! This plate was carefully prepared via a proprietary method developed by a friend and myself and the end result speaks for itself with wonderful matrix to fossil contrast, exquisite coloration of the fossils, and detail such as scale patterning often lost in air abrasion! The plate measures approximately 10.25 x 10 x .5 inches and the fish range from 3- 4.5 inches in length. Don’t miss out on this exquisite piece and check out my other listings for more unique and intriguing specimens! *****US SHIPMENTS ONLY******