Set of 2 Roy Kirkham England fine bone China mugs Spring vintage

This is a set of 2 Roy Kirkham "Spring" bone china mugs, featuring a floral design by artist Robin Gibbard. The pattern name is "Spring". It was designed by Robin Gibbard and features flowers and butterflies. It was manufactured in England in 1991. The mug is made of fine bone china. It is hand wash only.