I\'m listing four Vienna Regulators from my late Father\'s private collection. The following information came from his old clock books and not from my expertise which is very limited. All the clocks were in working order when I received them but as a precaution, I had them cleaned,oiled and all cables replaced by a expert clock repair shop with over forty years experience. Very old small copper plate covers area that had worn through back of case after being hung for over 150 years - They will be shipped via Fedex, very well packed and insured. Clock has a wood mounting bracket for the movement - Coil gong chimes - stylish case - Two piece porcelain dial - Quarter hour and hour strike (Grand Sonnerie movement) - Estimated age 1850 - Back of movement is signed (see last photo) - Beautiful case is rosewood style - Rare Movement ( Book titled\"Vienna Regulators and Factory Clocks\": By Rick Ortenburger had only one similar 1 weight / 2 spring driven Vienna Regulator (Pg. 47) out of hundreds illustrated). Please rely on all photos for further description and condition. Questions are always welcome and answered promptly.