I have looked far and wide but cannot find another cup and saucer like this. It is stamped Adderleys Ltd, not Co, (the latter Adderleys Co back stamp dates between 1912 and 1926). As Adderleys Ltd was founded in 1906, I believe this set to have been manufactured between 1906 and 1912. Numbered 02154. Absolutely stunning Imari demitasse cup and saucer-regal cobalt blue, orange and gold. Cup measures 2 3/8 inch high x 3 inches wide (handle to rim); saucer diameter is 5 inches.