Frelan Hardware Porcelain Mortice Door Knobs, Silverline White - JC23 from Door Handle Company
Cardea Ironmongery Oval Mortice Door Knob (60mm x 38mm), Black Iron - BI206 (sold in pairs) from Door Handle Company
Milled Edge Mortice or Rim Door Knobs 45mm Antique Satin Brass - Broughtons Lighting & Ironmongery
Swirl Ball Mortice Doorknob in Antique Brass - 63mm (Pair)
Neighbours Lane 2.5 Inch Antique Brass Swirl Mortice Knob Pair Door Handles - Door Knobs for Interior Doors - Durable Construction Material Good Grip for Hand Mobility with Fixings : Amazon.co.uk: DIY
Altro Lined Mortice Door Knob - Antique Brass | IronmongeryDirect | Same Day Despatch
Beautiful Pair Of Large Marble Mortice Door Knobs Handles Nickel 6 available colours Vintage