Issued today in 1967

Great Britain. Anniversary of European Free Trade Association. Issued 20 February 1967. An extraordinary number of missing colour errors are recorded for the two-value EFTA commemorative set due to multiple colour printing being in its infancy and the designs being released in two flavours – with and without phosphor.

Printed in eight colours, almost all colours are known individually missing. Many being very subtle. By far the most visual of the errors is the loss of four colours from the 9d value: black, brown, cyan and yellow. A sheet of 120 stamps was affected. Very scarce – with just a used pair confirmed and authenticated – is missing red from the 1s 6d phosphor.

The following errors are recorded (see a good range here):

9d EFTA
Black, brown, cyan and yellow missing (non-phosphor issue)
Brown missing (non-phosphor issue)
Brown missing (phosphor issue)
Cyan missing (non-phsophor issue)
Cyan missing (phosphor issue)
Green missing (non-phosphor issue)
Green missing (phosphor issue)
Lilac missing (non-phosphor issue)
Lilac missing (phosphor issue)
Yellow missing (non-phosphor issue)
Yellow missing (phosphor issue)

1s 6d EFTA
Blue-grey missing (non-phosphor issue)
Blue-grey missing (phosphor issue)
Brown missing (non-phosphor issue)
Brown missing (phosphor issue)
Cyan missing (non-phosphor issue)
Cyan missing (phosphor issue)
Deep blue missing (non-phosphor issue)
Deep blue missing (phosphor issue)
Green missing (non-phosphor)
Red missing (phosphor issue)
Yellow missing (non-phosphor issue)

 

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