US3920.)COMBAT ARMOR BADGE: not official of course but sold at army post PX's back in the early Cold War era, immediate post-WWII. Refer to Evans Kerrigan's American Badges and Insignia, page 96. Kerrigan's work was published in 1967 and features several of these novelty badges. Much like a CIB but with separately applied armored device (US tank with crossed swords) on green enameled background. Clutch-back. EXC++++