Main thing to note is the marking on the back of the neck from the last owner

MORE IRISH KIT HERE

Usually most regimental patches are sewn directly onto clothes

Little mark on the back hem

Dark Navy Colour

British Civil Airlines Jacket - AST - Large Eastern Bloc Main thing to note isAt a glance Wool & Polyester Blend Body 2 Waist Pockets, Sleeve Pouch & Internal Slit Pockets Secreted Button Closure Air Training Service "AST" Embroidered Patch Officer Rank Shoulder Laurels Adjustable Waist & Cuffs Fully Lined Black Colour Manufactured by C. J. Matthews Pit to Pit: 24. 5" Suggested Size: Large Regular Sleeve Length: 26" Long Collar to Hem: 29. 5" Modern Aviation Memorabilia Issued 1990's Genuine British Civil Airlines Surplus