Original Royal Air Force MK 31 Tornado Life Preserver Waistcoat

Original RAF Mk-31 life preserver vest,it was used by Tornado crews ,the bladder is not present also the co2 inflators and beaded pull handle are missing – it still displays nicely though,it is a size 2  ,all bladders have been removed,Manufactured by Beaufort ,exellent,mint condition unused!