yes, his medals would have been posted to his next of kin, most never recived them till 1920-21, they would have his regiment he went over with stamped on them the M G C 54924 ,this is listed first on his medal index card indicating thats who he went over with , he is listed on the cwgc deaths as
PRAGNELL, ERNEST R.
Private 25385
Date of Death: 03/12/1917
Age: 33
Regiment/Service: Hampshire Regiment 2nd Bn.
hope this helps, TONYROD