Thanks to a post on Facebook I was able to identify which shape this pattern was made in and it's a 781 cup and 805 saucer, so it's the Coupe Shape. White is just a clear glaze over the white clay.
This pattern was made consistently from the 1960's through to the 1980's.

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» A Gallery of Juliet Hawkin's designs is being added
» Designers at Crown Lynn
» Catherine Anselmi 1992 beautiful vase
» More Kevin Kilsby for gallery
» Orange and other colours No Namer
» Richmond Crown Lynn Pattern no. 146 for the Gallery
» More Roses courtesy of leish ...