20¢ Olive 4UL51
A horizontal line extending from the centre of the top frame line into the right margin. There is a dot just above the line which almost touches the frame and another dot touching the line to the right.
Research notes:
Plate position determined by Jim André using the plate proofs at LAC.
Flaw in Zone 4
Plate Position: 4UL51
Reported by WGB
Format ~ Sheet
