A 1960's uniform helmet of the former Denbighshire Constabulary.

Denbighshire Constabulary was the Home Office police force for the county of Denbighshire until 1967,

It was then amalgamated with Gwynedd Constabulary and Flintshire Constabulary to form a new Gwynedd Constabulary. In 1974, that force was renamed North Wales Police.

In 1965, the Denbighshire force had an establishment of 320 and an actual strength of 302.

The Ross Mather Police Memorabilia of Wales Collection.