German WWII RLB Luftshutz Officers Greatcoat

RARE German WWII RLB Luftshutz officers greatcoat.  Very rare officers coat, this ones for the RLB, and is made of a brushed doeskin fine tailor quality Blue/Gray wool.  The greatcoat has a Black collar and the collar tabs are a Light Purple with silver twist cording and the center is a Silver bullion wire weave of two large leafs.  The tabs are machine sewn on to the collar.  There is a single shoulderboard, also on a Light Purple base with Silver twist cord tops, thin style.  The buttons are matching and are Silver with a fine pebbled finish, solid backs and are marked RZM M 5/8.  These are the correct buttons to be found on RLB uniforms.  On the sleeve is an officers version in bullion Silver wire weave of the RLB eagle.Its a full length greatcoat and the liner which is also full length is a Satin material in a Light Blue/Gray color.  There is a large tailor's label inside the neck.  Coat is in excellent condition and show no wear and I see no mothing.  Some very light oxidation to the collar tab leafs.  Very nice and very RARE!