Vintage bird cup mug Dunoon fine bone china Diane Williams Bird garden England

Vintage made in England fine bone china cup/mug by Dunoon Black and white design with a cute bird from the Bird Garden by Diane Williams Medium size, somewhat smaller than a 'regular' (i.e. Starbucks) mug Approximately somewhat over 3 1/2" tall Vintage, preowned, some discoloration at the bottom (see photo) No nicks or cracks