DP numbers are the copyright of the MBPC and are used with their permission.

PCP = Phosphor coated paper PVA = Polyvinyl alcohol acetate gum
ACP = Advanced coated paper PVAD = Polyvinyl alcohol acetate dextrin gum
FCP = Fluorescent coated paper
!
nd60

ND60 - Northern Ireland 18p bluish violet, PCP/PVA (Cyls Q1Q1, Q2Q2) (Questa/litho) - Deegam N180.1.1 - S.G specialised XNL21 - Stoneham U45 - Concise NI45

From cylinders Q1Q1, Q2Q2 [8.4.81]
nd61

ND61 - Northern Ireland 18p grey green, ACP/PVAD (Cyls Q1Q1 to Q4Q4) (Questa/litho) - Deegam N180.2.1 - S.G specialised XNL22 - Stoneham U77 - Concise NI46

From cylinders Q1Q1, Q2Q2, Q3Q3, Q4Q4 [6.1.87]
nd62

ND62 - Northern Ireland 18p light green, FCP/PVA, 4mm 'SA' phosphor bar right of centre CB (OR) (Questa/litho) - Deegam N180.3.1 - S.G specialised XNL23 - Stoneham U62- Concise NI47

Perforation 14¾ X 14 from cylinders Q1Q1, Q2Q2, Q3Q3, Q4Q4 [3.12.91]
nd63

ND63 - Northern Ireland 18p light green, FCP/PVA, 4mm 'SA' phosphor bar right of centre CB (OR), perforation 13.5 X 14 error (Questa/litho) - Deegam N180.3.2 - S.G specialised XNL24 - Stoneham U62c - Concise NI47a

Perforation 13½ X 14 eror from cylinders Q1Q1, Q2Q2 [1.12.92]
nd64

ND64 - Northern Ireland 18p light green, OFNP/PVA, 4mm yellow fluor left band (DP197) (Questa/litho) - Deegam N180.4.1 - S.G specialised XNL25 - Stoneham U85 - Concise NI48

4mm yellow fluor left band from Beatrix Potter prestige pane DP197 [10.8.93]