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
Decoration for Officers of the Royal Naval Reserve dark green until 1941 and green edged white thereafter. Originally, fifteen years' service was required (not counting service as a midshipman), with wartime service counting double. Clasps to the Reserve Decoration were awarded to recognise further periods of 10 years' service after the first award. When just the ribbon of the Decoration was worn, each clasp was indicated by a silver 'rosette' on the ribbon. The RD and the Royal Naval Reserve Long Service and Good Conduct Medal for RNR ratings were both replaced by a combined-services Volunteer Reserves Service Medal on 1 April 1999. Decoration for Officers of the