British and Irish Banknotes

Provincial Bank of Ireland Ltd, a presentation set of specimens from the 1 January 1977 issue encased in plastic, comprising £1, £5 and £10, all with zero serial numbers and black specimen overprints, both sides of notes visible, a very nice presentation but it is unclear whether the notes can be safely removed (3 notes)
PMI PR 101s, PR 103s, PR 105s £80-£120