Diablos, these must have been his spares, you can clearly see they must have been just roughly cut out. My Grandfather was a Barber before the war and had his "kit" with him overseas.
I would therefore put forward that he didn't cut out his own.
Would you get a haircut from him if these were the best diablos he could cut out?
I would guess that they gave a group of them a piece of felt and they cut them out as a group?
Just a theory.
The ones on his tunic are more of a matched set.