Royal Medal [SEP] conferred by
Royal Medal
The Royal Medal, also known as The Queen's Medal and The King's Medal (depending on the gender of the monarch at the time of the award), is a silver-gilt medal, of which three are awarded each year by the Royal Society, two for "the most important contributions to the advancement of natural knowledge" and one for "distinguished contributions in the applied sciences", done within the Commonwealth of Nations. The award was created by George IV and awarded first during 1826.
Special Reserve. The medal was superseded by the Efficiency Medal in 1930. 
No recipient could receive both this and the concurrently awarded Territorial Force Efficiency Medal. 
Awards were published in Army Orders, with a total of 1,078 medals awarded: 428 bearing the effigy of King Edward VII and 650 with that of George V. In terms of unit, the following were conferred: Royal Artillery: 164; Royal Engineers: 9; Anglesey Royal Engineers: 3; Monmouthshire Regiment: 5; RAMC: 4; Labour Corps: 4