While it's a simple design

such as one of the collar badges missing

Sergeant rank patches remain

it could just be a variety of supplier

Will need repairs

British RAF Wool V Neck Pullover Jersey Jumper - Small 88cm Civil Defense While it's a simple designAt a glance 80% Wool & 20% Nylon Body Reinforced Elbows & Shoulder Patches 1 Shoulder Pocket Ribbed Wool Body Snug Fit but Stretchy V Neck Design Heavy Duty & Hard Wearing Iconic Woolly Pully Style Classic British RAF Slate Grey Blue Colour Pit to Pit: 19. 5" Suggested Size: Small Regular Label states 88cm Sleeve Length: 26" Regular Collar to Hem: 25" Modern Militaria Issued 2010's Genuine British Army RAF Surplus Grades Grade 1. 5 In decent shape,