WW1 1914-15 Star Medal Trio to 1st Mounted Rifles – Chapman, South African. The 1st Mounted Rifles served in German South-West Africa as the 7th Mounted Brigade, They were formed from the 1st Natal Carbineers and are perpetuated by the Royal Natal Carbineers. The item “WW1 1914-15 Star Medal Trio to 1st Mounted Rifles Chapman, South African” is in sale since Tuesday, February 6, 2018. This item is in the category “Collectibles\Militaria\WW I (1914-18)\Original Period Items\Great Britain\Medals, Pins & Ribbons”. The seller is “arcticmedals” and is located in Calgary, Alberta. This item can be shipped worldwide.