Thanks for pointing me to the French section on the site. The CL with the shooting star would seem to be the mark of Cincinnatus Lorillon, who worked in Paris from 1813 to 1849.
I have been researching these marks for quite a few days on various web sites as well as the several books I have and can find no information. I am including the two photos. There are two punch marks on the inside of the bowl on either side of the handle, one says 10 and the other says CL. and has a...