Ultramarine

Fluor shades viewed under long wave light.
DP numbers are the copyright of the MBPC and are used with their permission.

ACP = Advanced coated paper

PVAD (Dextrin) = Polyvinyl alcohol acetate dextrin gum

PVA = Polyvinyl alcohol acetate gum
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Harrison photo

ac160

AC160 - 31p ultramarine, ACP/PVAD, upright print (Cyl 8) (Harrison/photo) - Deegam 310.4.1 - S.G specialised U326 - Stoneham M426 - Concise X982

Advanced coated paper, upright print from cylinder 8 [4.9.90]

Walsall litho

wa31t

WA31T - 31p ultramarine, ACP/PVA, imperf top (DP164) (Walsall/litho) - Deegam 310.5.1 - S.G specialised U80 - Stoneham LM57 - Concise X1056

ACP, imperf top from booklet pane DP164 [17.9.90]

WA31TL - 31p ultramarine, ACP (Low OBA)/PVA, imperf top (DP164A) (Walsall/litho) - Deegam 310.5.1a - Stoneham LM57a

Low OBA paper, imperf top from booklet pane DP164A
wa31b

WA31B - 31p ultramarine, ACP/PVA, imperf bottom (DP164) (Walsall/litho) - Deegam 310.5.2 - S.G specialised U80 - Stoneham LM58 - Concise X1056

ACP, imperf bottom from booklet pane DP164

WA31BL - 31p ultramarine, ACP (Low OBA)/PVA, imperf bottom (DP164A) (Walsall/litho) - Deegam 310.5.2a - Stoneham LM58a

Low OBA paper, imperf bottom from booklet pane DP164A
blind_base

WA31BB - 31p ultramarine, ACP/PVA, blind at base perforation (DP164) (Walsall/litho) - Deegam 310.5.2b

ACP, imperf bottom blind base perforation from booklet pane DP164
Out of stock

WA31BBL - 31p ultramarine, ACP (Low OBA)/PVA, blind at base perforation (DP164A) (Walsall/litho) - Deegam 310.5.2c

Low OBA paper, imperf bottom blind base perforation from booklet pane DP164A