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Bone china is a very pure white (whiter than standard European porcelain) and can be cast so thin as to be translucent, yet is still surprisingly chip resistant compared with lesser crockery like ironstone and earthenware.
Look out for the figure ‘Duchess with Flowers’ produced 1954-67 - a classic failure at the time, therefore now rare and sought after; £2,000 plus (00 USD) would be the current value, not a bad investment for 5 shillings (25 cents).
These items are future antique bone china items - so watch out for them. Royal Stanley is a backstamp of Colclough and also has a page to itself - see Royal Stanley.
Wedgwood, being very cautious about luxury porcelains, chose not to go into bone china at first.
They let firms like Spode and Rockingham do the pioneering work. Many of the old antique bone china making firms have not survived to the current day.
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Aynsley is a leading company with a long history, so has it's own page. (Goes to a separate page) Founded 1894 Staffordshire, England by James W. Established initially in the 1890’s as maker of tableware as well as ornaments, Beswick were also on the bandwagon of making Staffordshire cats and dogs, most of which were unmarked and hard to tell from other Staffordshire makers of the period.