Royal Navy Badges by Pattern Number - pre 1948

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Hi All,
I am complying an XL spread sheet of the pattern numbers of RN badges (except WRNS) for the pre 1948 period. This list will also include a description, colour and issue denomination. There are columns to tick if it is in the collection.

Does anyone have any RN badges that still have the original sample tag attached? or documents that state pattern numbers. I am especially looking for badge pattern numbers from the pre 1932 period.

My list already has approximately 800 pattern numbers

Once as complete as possible it will be available to any collectors who are interested.
Thanks
Barry