Royal Crown Derby English Bone China stamp in use from 1976. This example illustrates the roman numeral dating system underneath the mark. Here they are LXII indicating that 1999 was the year of manufacture.
Royal Crown Derby English Bone China gold stopper seen in the base of the Royal Crown Derby paperweights.
Royal Crown Derby Collectors Guild pottery mark. This mark is an example of the mark used for the Royal Crown Derby Collectors Guild which was launched in 1994. This example is for the Puppy paperweight.
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