Royal Observatory Greenwich – postcard collection
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Estimated date
196065
Publisher
F. Frith & Co., Ltd
Publisher's title
National Maritime Museum, Greenwich
Nominal size
5.5 x 3.5 inches
Publisher/printer ref.
GCH75
Website ref.
PC0474

Believed to have been produced by adding colour to a black & white image, those responsible for the cards production made two serious colouring errors. Firstly, the time ball was coloured black instead of red. Secondly, the gravel in the courtyard was assumed to be grass and coloured green. F. Frith & Co., Ltd.
 

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