Bavarian China

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Does anyone know anything about Bavarian China? I recently bought a demi cup and saucer with this written in gold on the bottom and would like to know more about it. I love antiques but sometimes I am not sure what is antique or not especially when it comes to china. This piece also has the numbers, either 000 or 660 on the bottom with a symbol or an arrow surrounded by a circle. It also has the numbers 71 under the symbol. If anyone has any information about this piece please let me know. Thank you