Questa
DP numbers are the copyright of the MBPC and are used with their permission.
FCP = Fluorecent coated paper

PVA = Polyvinyl alcohol acetate gum

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QD1 - 15p Light blue, FCP/PVA, 4mm 'SA' phosphor centre bar (S3) (DP150) (Questa/litho) - Deegam A150.5.1 - S.G specialised W806 - Stoneham PB19 - Concise 1477
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4mm 'SA' phosphor centre bar (S3) from booklet pane DP150 [17.4.90]

QD3 - 15p Light blue, FCP/PVA, 4mm 'SA' phosphor bar short at top (S1) (DP150) (Questa/litho) - Stoneham PB19a
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4mm 'SA' phosphor centre bar short at top (S1) from booklet pane DP150 [17.4.90]

QD2 - 15p Light blue, FCP/PVA, 4mm 'SA' phosphor bar short at bottom (S2) (DP150) (Questa/litho) - Stoneham PB19b
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4mm 'SA' phosphor centre bar short at bottom (S2) from booklet pane DP150 [17.4.90]

QD4 - 20p Black, ACP (Low OBA)/PVA (DP151A) (Questa/litho) - Deegam A150.4.1a - S.G specialised W807 - Stoneham PB20 - Concise 1478
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Low OBA paper from booklet pane DP151 [17.4.90]