May I be the first to welcome you to the War Relics Forum Polish Section, I assume that it is the Monte Cassino Cross Numbered 48013 Recipients details that you are interested in.
When awarded the recipients details were as follows:
Rank : Strzelec (Rifleman)
Surname : CZERKAS
Christian Name : Władysław
Date of Birth : 1895
Army Service Number : (also found on His ID Tags ) : 1895-3-III
Unit : 370 Skladnica Ewakuowanego Sprzetu. ( 370th Evacuated Equipment Park)
MCC : 48013
I sincerely hope that the above information is of some use and help to you Weronika.