1969 GB811 Postal Mechanisation – Automatic Sorting

Catalog codes: Mi: GB 531, Sn: GB 604, Yt: GB 578, Sg: GB 811, AFA: GB 545, Un: GB 578
Themes: Postal Services , Technology
Issued on: 1969-10-01
Size: 41 x 24 mm
Colors: Multicolor
Designers: David Gentleman
Printers: De La Rue & Co. Ltd.
Format: Stamp
Emission: Commemorative
Perforation: comb 13½ x 14
Printing: Offset lithography
Paper: Chalk-surfaced. Two Phosphor bands
Gum: PVA (Polyvinyl Alcohol)
Face value: 1’6 s – British shilling