500 Mils (1.8.1966) in green on multicolor unpt with "Arms" at right. Serial no "C/9 000000". Red ovpt "SPECIMEN OF NO VALUE" on upper margin at face. Perfin "CANCELLED" at bottom left and "235" at bottom. Printed by BWC. WMK: Eagles head. Inside plastic folder by PMG "SPECIMEN - About Uncirculated 55 - Previously Mounted, Staple Holes". (Pick 42s).