mustache cup, measures approximately 5" tall.

White porcelain with gold trim

Says -

Cock Weather Vane
19th Century

No makers mark, remnants of a sticker that says (said) Japan on the bottom.

In good pre-owned condition

The moustache cup (or mustache cup) is a drinking cup with a semicircular ledge inside. The ledge has a half moon-shaped opening to allow the passage of liquids and serves as a guard to keep moustaches dry.

This item is sold from an excellent, highly rated vintage boutique in Denver, Co.