Ancient and classical jewelry classes?

I really appreciate the info about ancient jewelry classes,I would
like to know more about C.Bouer studio I have to spend some money
because I from Los Angeles, I think that I going to take the one week
workshop,but I appreciate if you can tell me more details about
C.Bouer studios, there is just one teacher? what about the level of
the classes? I want to learn granulation,emaneling and advance
ssetings, Who went to the jewelry arts institute in NY? I looking for
good masters in this king of technics. thank you very much for your
help. Andrea I sorry for my English,I speak spanish.