1977 Silver Jubilee 9p Blackburn Borough Council Official FDC, Borough of Blackburn Silver Jubilee Lancashire H/S.

15th June 1977 Silver Jubilee 9p Blackburn Borough Council Official FDC, Borough of Blackburn Silver Jubilee Lancashire H/S. Scarce Official FDC sent by the Mayor of Blackburn to all the Pupils in the Borough of Blackburn. Most of these covers have now been lost or destroyed. Hence they are very difficult to find in good condition. Good Condition, unsealed. Complete with Original Letter from the Mayor.