Pattern 613 Spode Bone China Common shape Tea Bowl & Saucer. It is bat printed in cobalt blue enamel with Country Landscape Views P222 (HS) on the saucer and P224 (HS) on this particular side of the tea bowl together with band & line rich gilding. Josiah Spode II introduced this printed design c1803/4.
The bat print on this side of the tea bowl is P209. The saucer is damaged & slightly stained and the sky should not have that 'golden hour' look but I quite like it anyway.
No pattern number or decorator's marks on their bases, this is still normal for this date.