China 1913 $2 black and blue 'Entrance, Hall of Classics, Peking', London printing, SG284.
A fine and fresh well centred mint example with large part original gum.
These classic definitive stamps were initially printed in London and are rarer as the printing was then transferred to Peking from 1914 to 1919 where the designs were re-engraved.
Stanley Gibbons catalogue value: £500.