Four English porcelain teapots early 19th century

Four English porcelain teapots early 19th century, variously decorated with simple floral garlands in shades of pink, red and purple, some damages. Comprising: a rare Pattern Book spiral moulded teapot, a Factory Y teapot in pattern 113, a Factory Z teapot in pattern 116 (impressed 36 shape number), and a possible early Factory X (Keeling) example. Provenance: the Geoffrey Godden reference collection.