This authentic Under Secretary of the Navy challenge coin was personally presented by Dr. The obverse features a striking red enamel field with a fouled anchor and four stars, surrounded by raised silver lettering reading UNDER SECRETARY OF THE NAVY. The reverse displays the dual emblems of the Department of the Navy – representing both the U. Navy and Marine Corps – set against a deep blue background with the inscription DEPARTMENT OF THE NAVY – UNITED STATES OF AMERICA. Diameter: Approx. 1.75 inches – Finish: Polished silver with red and blue enamel – Condition: Excellent; no dings, scratches, or edge wear – Origin: Official executive presentation coin issued under Dr. Perfect for advanced challenge coin collectors, veterans, and those interested in notable figures of U.