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.

» Divine Design NZ
» Crown Lynn Shaped Vases glazed in a rough finish glaze..... were not made by Crown Lynn
» Sue Newitt.
» Diana Poor
» Was Jubilee one of the names used by Crown Lynn ?
» Help to identify potter of this raku (I think) vase
» Bowls - Moss? Antique Green? Dark brown? No marks
» Shape 754 cup with lacey pattern and yellow banding