It is fully marked on the base with the Spode stamp and the reference Y8533. It is approx. However, for complete accuracy there is a vertical scratch on the back of the plate (see photos).
Spode Wild Flowers Decorative Plate Foxglove Hand Painted Y8369 No. 2 in Series
Vintage Aynsley Wild Tudor Fine Bone China Footed Bowl, Wild Flowers
AYNSLEY ~ Wild Tudor ~ Small Vase ~ Fine Bone China ~ Wild Flowers ~ 9cm Tall
Aynsley Wild Tudor Fine Bone China Fluted Vase..Wild Flowers Design
AYNSLEY Wild Tudor Lidded Trinket Pot - Fine Bone China - Wild Flowers
Aynsley Wild Tudor Small Vase, Bone China, Wild Flowers Design, Made In England