It all depends on the manufacturer, condition and rarity of the item in question. Usually you can Google the makers name and find some generic info that way.
1940. Not worth much.
How much is my Taipei registered fine China made in Japan worth
how much is a set of 12 sango china worth--in excellent condition-florence pattern
There is no such thing as a 'China dollar'. The currency of China is a 'Yuan'.
gold in china is 2 pennies
it is worth 2,305.05793 yuan
Alot
128.68
how much is 100 dollars in china money to canada
How much is the Eschenbach design of china worth?
yes. How much did you buy it for?
How much do old cheerwine bottles worth