Christian Dior Monsieur Vintage Trench Coat Belted

Good pre-loved vintage condition -recently cleaned - only flaw- no lining - 3 buttons fell off(I have 1 in the pocket). I put it in the pocket / No Removable zippered lining / no size label / true vintage approx measures flat lay pit to pit 21” / pit to wrist 18” / length ( shoulder to bottom ) 46 1/2” / clean / smoke-free environment / (St) -