Dating chine by trademark
The examples below demonstrate just how difficult it can be to determine the actual characters in each corner.It usually takes about three years at the present time to obtain the registration of a trademark.For example, if the font or the style is modified, the mark is no longer deemed as a registered mark, and the registration symbol cannot be used.The marks were often stamped irregularly into ceramics or metalware and printed on top of the glaze.
Most marks have either not taken properly or have worn over time and are difficult to read.
The right hand image demonstrates a design registration mark for 22nd October 1875 (B for October and S for 1875).
Dating chine by trademark comments