27p values
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

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ac146_147_148

Advanced coated paper - Perforations all round

AC146 - 27p Rust, ACP/PVAD, non screened value, APS perforation, upright print (Cyl 1) (Harrison/photo) - Deegam 270.1.1 - S.G specialised U304 - Stoneham M416 - Concise X973

Non screened value, APS perforation, upright print from cylinder 1 [23.8.88]

AC147 - 27p Rust, ACP/PVAD, screened value, APS perforation, upright print (Cyl 1) (Harrison/photo) - Deegam 270.1.1a - Stoneham M416a

Screened value, APS perforation, upright print from cylinder 1

AC148 - 27p Rust, ACP/PVAD, COMB perforation, upright print (DP113) (Harrison/photo) - Deegam 270.1.2

COMB perforation, upright print from booklet pane DP113 [23.8.88]

Advanced coated paper - Imperf

ac149

AC149 - 27p Rust, ACP/PVAD, imperf top (DP113A) (Harrison/photo) - Deegam 270.1.3 - Stoneham M417

Imperf at top from booklet pane DP113A [11.10.88]
ac150

AC150 - 27p Rust, ACP/PVAD, imperf bottom (DP113A) (Harrison/photo) - Deegam 270.1.4 - Stoneham M418

Imperf at bottom from booklet pane DP113A [11.10.88]

Advanced coated paper - Perforations all round

ac151

AC151 - 27p Mauve, ACP/PVAD, upright print (Cyl 1) (Harrison/photo) - Deegam 270.2.1 - S.G specialised U305 - Stoneham M419 - Concise X974

From cylinder 1 [4.9.90]