WW2 - 21st Army Gp From £6.00 Reproduction. WW2 Style. Machine embroidered thread on a wool cloth background. Manufactured by Monty's Locker. Please note the above badge represents the 21st Army Group Headquarters Staff (please select 21st Army Group from the drop down box below). The 21st Army Group GHQ 2nd Echelon Troops wore the same badge but with swords removed (please select 21st Army Group GHQ from the drop down box below). The HQ Lines of Communication 21st Army Group again wore the same badge with swords removed but on a yellow background (please select 21st Army Group HQ LofC from the dropdown box below).