FREE: Is this a China Tea Cup Saucer? Vintage or not?

The listing, Is this a China Tea Cup Saucer? Vintage or not? has ended.

The markings on the bottom of this china piece are quite clear. 66 on the upper left corner of the rectangular box surrounding the vertical letters BTH, and below them, 2-79.

I know nothing about this except that I am willing to learn if any of you care to educate me on this item before it's gone. This is the only piece of it's kind that I have and since we are a non-smoking, coffee drinking home, I don't have any use for it.

It's 4-1/8" diameter and about 1/2" high. It is a very lovely but very lonely piece. Do you care enough to give it a good home?

★ Good Luck & Happy Bidding! ★

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