but there doesn't seem to be much information on this

Beautiful Royal Military Academy Sandhurst Emblem Badge

Sleeve Length: 23" / Short - Label states a regular length

but there is a mark on the rear and the elastic in the cuffs seems spent

British RAF Women's No. 5 Mess Dress Jacket - WRAF / PMRAFNS - Medium Ireland but there doesn't seem toAt a glance 100% Wool Body Single Button Closure Engraved "Staybrite" Buttons No. 5 Mess Dress Squadron Leader Matron Rank Cuff Laurels Bullion Princess Mary's Royal Air Force Nursing Service Sleeve Patch PMRAFNS Collar Badges Fully Sateen Lined Elegant Royal Air Force Grey Blue Colour Tailored by E. C. Snaith & Son Ltd. Excellent Tailoring Pit to Pit: 19" Suggested Size: Medium Slim Label recommends a chest of 92cm Sleeve Length: 25" Regular Label