Issued today in 1969

Great Britain. Cathedrals. Issued 28 May 1969. Although various errors and varieties exist for the issue, the best known affect the 9d and 1s 6d values. Both exist missing black (the value). Around five sheets of 120 stamps of the 9d were affected to some degree. Two sheets of the 1s 6d value were partially affected yielding around 40 examples.