2
Stamp 7:

See large block of 12 and the Berry block.

 
Stamp 8:

See large block of 12 and the Berry block.

 
Stamp 9:

See large block of 12 and the Giles cover
(RH stamp).
Stamp 10:

 

 Insuffficient evidence at this time.
Stamp 11:

These three flaws are present in the block of 4 from the top right corner, in the Burrus block of 4 and in the single franking on the Stevenson cover.
Stamp 12:

These flaws are present in:

 

Use these links below to go to:

Overview of plating. Row 1 Row 3 Row 4 Row 5