A charming Vintage or maybe antique Trio tea cup with matching saucer and plate. Blue and White transfer ware of the  Willow Pattern
This is translucent porcelain from a high quality maker believed to be Minton dated around 1890

Underside of cup is marked a green stamp loosely resembling a swan with a no 4 in the middle. The saucer is impressed with an unidentifiable mark, possibly with Monogram letter FC

cup 7 1/2 cm across, 7 cm high, Saucer 14cm across

A charming addition to any blue and white or oriental themed porcelain collection