This is the original one with the Rabbit (as in the adverts from about 20 years ago) and made by Kiln Craft of Staffordshire Potteries.
Bottom embossed: Coloroll Kilncraft ENGLAND
The Country Diary of an Edwardian Lady
"Change not a clout
Till May be out."
"Who doffs his coat on a winter's day
Will gladly put it on in May."
"Shear your sheep in May
And shear them all away."
Copyright Webb & Bower Ltd 1977