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By this time, of course, the lion and crown badge was in use so there need be no confusion.

The following numbers indicate the approximate periods during which the patterns so marked were first introduced.Many pieces fortunately carry in addition to trade-mark and pattern number an impressed or printed indication of when they were made. The printed dates are usually indicated by Code Numbers beginning with and up to .A simple way of calculating the date is to add the number in question to 1927.These hand-painted wares were not reproduced in great quantities and some items bearing RA-numbers would probably never have been repeated.The dates below are when the books containing the designs recorded in each were purchased.