This is a replacement Old Country Roses LG ROUND Teapot LID ONLY that fits a 4 inch (10cm) opening.  To be precise, the sleeve that fits inside the tea pot is completely round and measures 3 7/8 (9.75cm) from one outer edge to the other. This piece fits into the large teapot.

The lid measures 4 1/4 inches (11cm) from outer gold edge to outer gold edge. 
The lid measures 3 1/2 inches (9cm) tall. 
  Excellent condition.  No chips, no cracks, no crazing, no repairs.