SHIRT, UTILITY, COTTON SATEEN, OG 107 • OG107 = Olive Green 107 color (U.S. Army color) • Cotton sateen fabric • Utility shirt (work shirt) BERTIE INDUSTRIES, INC. → This is the manufacturer's name (military supplier) DSA100-73-C-1273 → 1973 contract (made in 1973) Shoulder width 43 Sleeve length 58 Body width 54 Length 72 ✔ Made in 1973 ✔ Genuine U.S. Army issue ✔ Vietnam War era model This is vintage military.