Corbin Russwin UT5220 Privacy Lock-Pre-Assembled Unit Lock
Antique Corbin Cast Iron Surface Rim Door Lock | eBay
Kaba Simplex LP1000 Series Metal Mechanical Pushbutton Exit Trim Lock with Lever, Combination Entry and Key Override, R/C Corbin Russwin, Core Not Included, Satin Chrome Finish, Right Hand : Amazon.co.uk: DIY &