Lacquerware Tea Set

[saintlouis_mo]

Can anyone tell me about this set of 6 teacups, saucers and spoons?  I'd like to know if they're Chinese or Japanese, the maker (marked as shown) and approximate age. Cup, saucer & spoonMarkBox

Thanks for your help! 

[argon38]

The characters on the box simply describe the item ("internal gilding, bamboo"): 内金也竹.

[saintlouis_mo]

Thank you.  The information that you provided will be made a part of the description of this item when I list it.