Royal Blue Derby Fascinator Hat | Rebecca Couture。Step into the world of Old Hollywood elegance with this rare MR. JOHN couture wool hat, a dramatic statement piece that captures the glamour of the 1950s. Designer: MR. JOHN — legendary New York milliner, favored by Hollywood stars and society elites Material: 100% wool, stamped wool mark inside Color: Bold cobalt blue with a striking black feather plume Era: Likely 1950s–early 60s (classic Mr. John couture period) Style Notes: Designed as a sculpted fascinator with dramatic feather flourish — the very definition of mid-century couture headwear Condition: Very good vintage condition — carefully preserved, ready to wear or display ✨ A true time capsule piece — hats like these were worn on red carpets, in Broadway circles, and by women who understood luxury fashion.