Royal Bonn made a huge number of these clock cases during the late 19th through early 20th century, the ones made with a country of origin marking "Germany" tend to post date 1890. Without a clock installed they often sell at auction for under $100.00.
Re: Royal Bonn case
Royal Bonn made a huge number of these clock cases during the late 19th through early 20th century, the ones made with a country of origin marking "Germany" tend to post date 1890. Without a clock installed they often sell at auction for under $100.00.