Help me! Where do I buy some royal bone china

[poj]

My partner and I recently purchased some plates for the kitchen.My family will descend upon us for Christmas so we know need some more plates,easy so far I hear you all say! Not so as the shop no longer has stock or intends to get any more.So does anyone know where we can source some....

Royal Bone China 12.5" platters,the design is extreme white.
any help would be appreciated.