Vintage OSTWALD UNIFORM Marching Band Hat

Underside of brim Is marked OSTWALD UNIFORM. Piece appears to possibly be leather. Hat has goldenrod tone, with navy & white toned embroidery. Front of piece has silver toned metal Eagle figure pin holding arrows. Top front of hat has navy toned yarn tassel ornament. Piece measures approx 10.5 inches deep 8 inches wide 6.5 inches tall without tassel. Piece has evident wear & tear. hat, wearable, 6