Reply To: Numbering systems


In the UK the numbering system YYYY.NNN is recommended, where the object is numbered by the year of accession into the collection, then a dot, then the number  (from 1,2,3). Parts of an item are then subnumbered YYYY.NNN.1, YYYYY.NNN.2 etc, with the main part of the item being 1.   More detailed guidance is at

There is a factsheet on renumbering on the Collections Link website. The link seems to be broken  but I hope it will be fixed today. See

And for one curator’s entertaining (and helpful) view of their numbering problem, try

Hope this helps