Naval Long Service and Good Conduct Medal (1848) the second version of the medal with its narrower suspender that was introduced in 1874, the ribbon dimensions were changed to 32 millimetres wide and Navy blue, with 6½ millimetres wide white edges. The first version of the medal has the effigy of Queen Victoria on the obverse and was designed by William Wyon, the chief engraver at the Royal Mint from 1828 until his death. The reverse has the image of HMS "Victory" that would remain virtually unchanged through all subsequent versions of the medal. The details of the recipient were either engraved or, after 1877, impressed around the
Royal Naval Volunteer Reserve Long Service and Good Conduct Medal were initially hung from the same all-green ribbon inherited from the Volunteer Long Service Medal, until a new ribbon was introduced for the Royal Naval Volunteer Reserve Long Service and Good Conduct Medal in 1919. When a third identical medal, the Royal Naval Auxiliary Sick Berth Reserve Long Service and Good Conduct Medal, impressed "R.N.A.S.B.R.", was added to the group in 1919, a clasp to recognise further periods of long service in respect of all three medals was authorised in an Admiralty Fleet Order. This was followed in 1942 by the approval of a ribbon bar rosette, to denote the