The flag you showed there is a flag from early war after a battle, they looked really torn etc, and there was for the units a certain pride to it so to say, so they didn't want to exchange it, but they had to eventually, so they got new flags using a new ''system'' to were they sowed on the names of the battles they took part in to keep that same honor so to say -
example of a somewhat preserved flag -Spoiler Alert, click show to read:
so well, I think we'll keep them a bit cleaner than you showed, and the bloom on that picture make them look brighter than usual
Cheers mate