GB QEII 1975. ERROR! DRY PRINT colours on 10p Sailing cylinder block of 6. MUH
GB QEII 1975 ERROR! DRY PRINT colours on 10p Sailing cylinder block of 6. DRY PRINT showing very fainmt colours especially gold. In one image, I have placed a corner marginal “normal” stamp onto the block (bottom right) to show the difference.