Read the article I wrote for the CPMS (also available on my website) and consult p364 of your Charlton book (19th edition only).
The digit one (1) is NOT included in the definition of a rotator note.
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BWJM, F.O.N.A.
Life Member of CPMS, RCNA, ONA, ANA, IBNS, WCS.
President, IBNS Ontario Chapter.
Treasurer, Waterloo Coin Society.
Show Chair, Cambridge Coin Show.
Fellow of the Ontario Numismatic Association.