Commander-In Chief's Certificate For Good Service GTRexclude all three of which are

all three of which are in extremely fine condition

and hallmark GK (old Knaus hallmark)

It marked the first time that Germany used poison gas on a large scale on the Western Front

unmarked (B

Commander-In Chief's Certificate For Good Service GTRexclude all three of which areCommander in Chief's Certificate for Good Service, to Sapper Gerard E. Kenney RCE, signed by Field Marshal B. L. Montgomery, 1944 Commander in Chief's Certificate for Good Service, to Sapper Gerard E. Kenney RCE, signed by Field Marshal B. L. Montgomery, 1944 Description: This certificate was issued in the United Kingdom and signed by Field Marshal Bernard Law Montgomery, 1st Viscount Montgomery of Alamein, KG GCB DSO PC (November 17, 1887 March 24,