The Period Bath Supply Company (A Division of Historic Houseparts, Inc.) > Robe & Towel Hooks > Victorian Porcelain and Satin Nickel Robe or Towel Hook
MOEN Eva Single Robe Hook in Brushed Nickel YB2803BN - The Home Depot
Delta Windemere Brushed Nickel Double-Hook Wall Mount Towel Hook in the Towel Hooks department at Lowes.com