Electro Brassed Single Picture Hook with Pin - Small (Pack of 20) : Amazon.co.uk: DIY & Tools
Picture Hooks Brass Pack of 3 - Leyland SDM
Hardware-Solutions 100 PCS Single Brass Plated Steel Picture Hooks with Pins Included for Hanging Pictures Frames, Art or Mirrors : Amazon.co.uk: DIY & Tools
Command™ Small Metallic Hooks, Brass Color | 3M United States