I find the last sentence in DNW's description rather strange, I don't feel that M Battery RHA could ever be referred to as a few odd men.
Picture courtesy of DNW
QSA (6) Relief of Mafeking, Tugela Heights, Orange Free State, Relief of Ladysmith, Transvaal, South Africa 1901, unofficial rivets between fifth and sixth clasps (2321 Pte. W. Graham, 2: R. Scots Fus:) edge bruising, nearly very fine
W Graham served in South Africa during the Boer War as one of ‘Barton’s Fusilier Brigade’ which comprised 2nd Royal Fusiliers (27 men), 2nd Royal Irish Fusiliers (20 men), 1st Royal Welsh Fusiliers (1 officer and 25 men), and the 2nd Royal Scots Fusiliers (1 officer and 25 men). With the exception of a very few ‘odd men’ in other units, these were the only Imperial troops present at the relief of Mafeking.