This is an armband from the Dutch wartime Red Cross, for spiritual assistance. Together with it’s accompanying card that said the wearer was entitled to wear the armband.
A very rare set to find, the armband is stamped with “Nederlandsch Roode Kruis – Leeuwarden”, and is in mint condition. The entitlement card is in very good condition too.
Both are rare items, and as a set they are simply a very rare set to find.