The photographs are copies taken from glass negatives. Indexes of porcelain and porcelain marks, also list of factories, antique dealers trade cards and typescript copies of an article on "Powder Blue Decorated Porcelain" by A.H. York, Oct 1926 presumably the property of Arthur Hurst, East Lodge, St Peter's Grove, York whose name appears on a card and who published a pamphlet on porcelain.
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