Hotsell 1950’s Maribou Feather Wide Brim Black Velvet Hat

hotsell 1950's drama queen hat! The label inside reads “Original Henry Margu Creations”. It's in very good condition. The brim needs to be hand-shaped a bit but it's been well-kept all these years.
No size indicated, the brim inside is adjustable. The hat measures 15” front to back, 16” side to side. The inner brim is 7” front to back and 6” side to side.