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GB.ELIZABETH II - 1974 MULTI-VALUE MACHIN COIL LEADER WITH SILICONE ERROR. A scarce horizontal strip of 5 stamps still attached to their leader (2p, ½p, ½p, 1p and 1p). PHOS-GA with stock letter G2 roll number 7. The GA has been obliterated and overwritten PVA by hand. 'SILICONE COATED' is printed to the right of the roll number; however, the stamps were not coated with silicone. Trimmed perfs along bottom edge.