I agree that the IWM is frustrating , lots of items have descriptions but no photos.
The fact that they mention KWATERA POLOWA and also "the letters K.P. embroidered in white" , does give pause for thought.
Would General Anders headquarters staff have had some form of insignia to identify them ? Would the normal dress etiquette have been observed during the Italian campaign ?
I bow to the superior knowledge you guys have but until a better identification is made I'll accept 'possibility' that the IWM got it right.