Paragon Fine Bone China English Cup and Saucer

Please review description and pictures Paragon fine bone china English cup and saucer By Appointment to Her Majesty the Queen Manufacturers of Paragon, Fine Bone China, England Reg'd There is also a gold marking on the bottom of the teacup which I believe is N51 Teacup is 3 1/8" h and 3 1/4" in diameter not including handle. Saucer is 5 1/2" in diameter. Rose pattern w/leaves, vines and gold trim On the inside of the teacup near the top is a scroll design The center of the saucer and the bottom half of the teacup are a light seafoam green color On the inside of the teacup there is a mark (pictured) On the top of the teacup there is a 1/4" crack (pictured) it isn't very noticeable, and teacup is functional; would also be beautiful displayed From a clean and smoke free home