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

Scotland symbol types

Type 1 symbol - The tongue is thinner and the bridge of the nose is continuous. Type 2 symbol - The tongue is thicker and the bridge of the nose is broken.
sw11

Greyish blue

SW11 - Scotland 17p Greyish blue, PCP/PVAD, perforation 13¾ X 14, type 1 symbol (Waddington/litho) - Deegam S170.1.1 - S.G specialised XSL16 - Stoneham SC63 - Concise S43

Type 1 from cylinders 1A1B, 1A2B [4.85]

SW12 - Scotland 17p Greyish blue, PCP/PVAD, perforation 13¾ X 14, type 2 symbol (Waddington/litho) - Deegam S170.1.2 - S.G specialised XSL17 - Stoneham SC63a

Type 2 from 2A3B, 2A4B, 2A5B, 3A5B [4.85]

SW12b - Scotland 17p Greyish blue, PCP/PVA, perforation 13¾ X 14, type 2 symbol (Waddington/litho) - Deegam S170.2.1 - S.G specialised XSL18 - Stoneham SC71 - Concise S43Ea

From cylinder 2A4B [25.6.85]

SW12a - Scotland 17p Greyish blue, ACP/PVAD, perforation 13¾ X 14, type 2 symbol (Waddington/litho) - Deegam S170.4.1

From cylinder 3A5B [7.86]

SQ12 - Scotland 17p Greyish blue, ACP/PVAD, perforation 14¾ X 14, type 2 symbol (Questa/litho) - Deegam S170.3.1 - S.G specialised XSL19 - Stoneham SC94 - Concise S57

From cylinders Q1Q1, Q2Q2 [29.4.86]
sq13

Dark blue

SQ13 - Scotland 17p Dark blue, FCP/PVA, 4mm SA phosphor bar right of centre (Questa/litho) - Deegam S170.5.1 - S.G specialised XSL20 - Stoneham SC80 - Concise S58

From cylinders Q1Q1 to Q6Q6 [4.12.90]