Possible Clues:

• Currently not on Irish envelopes
• Thomas lost at scrabble - with some resistance!
• They'd put up some resistence to going on Irish official envelopes
• Authorised resistance?
• There's some resistance to being so governmental in England
• Oh, there's some resistance to the writing
• Some resistance found over taxing demands
• Currently they are not to be found on envelopes in Ireland
• Fleming made a secret of this state of service
• There'd be some resistance to putting this on an envelope in Ireland