8x9" with 5.75x6-5/8" image area has center text surrounded by wonderful Dr. Seuss art with numerous characters in various sea activities. Scrolled titles include "Preservation And Protection Of The Kangaroo Fish, Nonchalant In The Face Of Adversity, Official Clam, Cousin Of Official Clam, Ingenuity In Knot Tying, and Promotion Of The Concrete Life Preserver". Certificate has actual recipient's name typed near center along with text "This Certifies Beyond A Shadow Of A Doubt That Anita Cook Is Hereby Commissioned Outboard Admiral Of The Seuss Navy" along with other humorous text including "Witness The Hand Of The Chief Admiral, Attached Hereto In The Presence Of The Official Clam, Land Of Essomarinia, U.S.A. Dr. Seuss Admiral-In-Chief And Cartographer Plenipotentiary Of Essomarinia, U.S.A." Copyright 1946 Esso Inc. This is an unusual and different version than we've seen before which was a bit larger and had different text. Margins have a few lt. handling creases, top edge is lightly creased and has lt. tanning in .5" area across blank top margin. Overall Fine. Rare.