This pristine hand painted bone china coffee cup and saucer was made by George Jones & Sons, Stoke, Staffordshire about 1875. Both cup and saucer have 8 distinct scallops.
The colorful flowers look too precise to be painted by hand...but I just examined them with a 10x loupe, and they are definitely hand painted!
The cup is 2.25" tall and just under 2.25" across, not counting the handle. The saucer is 4.75" in diameter.
The set is in excellent condition. There are no chips, no cracks, no crazing, and no repairs. The gilding is completely intact. Both pieces ring when tapped.
The saucer is indistinctly impressed: George Jones & Sons, which is Godden's mark 2218. That mark was first used in December of 1873. The pattern number "6015" is handpainted on both pieces.
This handle shape may be found on page 219, Plate 1310 of "A Compendium of British Cups" by Michael Berthoud. The pattern number shown on that piece is 6155, and dated 1875.