3d two bands

Paper varieties viewed under long wave light.
PDP numbers are the copyright of the MBPC and are used with their permission.

BCP = Bluish coated paper PVA = Polyvinyl alcohol acetate gum
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p63_p64

Screen 250 phosphor bands - Head B2

P66 - 3d violet, BCP/PVA, two 4.75mm screen 250 phosphor bands, head B2, sideways print left (PDP4/A) - Deegam PD 4.5.1 - S.G specialised U10 - Stoneham M23b

Sideways print left from booklet panes PDP4/A [6.4.68]
9.5mm_broad_band_centre

P66bc - 3d violet, BCP/PVA, 9.5mm screen 250 phosphor broad band centre, sideways print left (PDP4/A)

Screen 250 broad band centre, sideways print left from booklet panes PDP4/4A

P64 - 3d violet, BCP/PVA, two 4.75mm screen 250 phosphor bands, head B2, sideways print right (PDP4/A) - Deegam PD 4.5.2 - S.G specialised U10 - Stoneham M23b

Sideways print right from booklet panes PDP4/A [6.4.68]
9.5mm_broad_band_centre

P64bc - 3d violet, BCP/PVA, 9.5mm screen 250 phosphor broad band centre, sideways print right (PDP4/A)

Screen 250 broad band centre, sideways print right from booklet panes PDP4/4A
p63_p64

Screen 150 phosphor bands - Head A1

P62 - 3d violet, BCP/PVA two 4.75mm screen 150 phosphor bands, head A1, upright print (Vertical coil) - Deegam PD 4.6.1 - Stoneham M22a

Upright print from AD vertical coil [26.9.68]

Coil stamps are normally available in strips of up to 5.

P60 - 3d violet, BCP/PVA two 4.75mm screen 150 phosphor bands, head A1, upright print (Cyls 3, 4) - Deegam PD 4.6.3 - S.G. U10 - Concise 730 - Stoneham M22

Upright print from cylinder 3 [20.8.69] - Cylinder 4 [10.69]
p63_p64

Screen 150 phosphor bands - Head B2

P63 - 3d violet, OCP/PVA, two 4.75mm screen 150 B3 phosphor bands, upright print, head B2) - Deegam PD 4.6.2 - Stoneham M23

Upright print from AD vertical coil [3.69]

Coil stamps are normally available in strips of up to 5.